Key Takeaways
- Most cotton underwear is 5% to 10% elastane or spandex, a synthetic stretch fiber, so only a few pairs, like KENT’s briefs and Cottonique’s drawstring styles, are fully plastic-free.
- The best cotton underwear for women overall is Pact’s Everyday Classic Fit Bikini: GOTS certified organic cotton from a Fair Trade Certified factory, sizes XS to 3XL, for about $14 a pair.
- Cleveland Clinic calls cotton the best material for underwear because it breathes and is less likely to cause an allergic reaction than synthetic fabrics.
Flip the tag on a pair of cotton underwear and you’ll usually find a second fiber listed: 5% to 10% elastane or spandex. That stretch fiber is a synthetic, so most “cotton” underwear is still part plastic. The best cotton underwear for women is Pact’s Everyday Classic Fit Bikini for most people, and KENT’s High-Waist Brief if you want zero synthetics at all.
Cotton earns its spot in your drawer for good reasons. Cleveland Clinic names it the best material for underwear because it breathes and pulls away the moisture that bacteria and yeast thrive on. Where that cotton comes from still matters, though. Textile Exchange reports that only 2.9% of the world’s cotton was certified organic in the 2023/24 season.
For this guide, we researched organic cotton brands and compared fiber content, certifications, and size ranges straight from each brand’s product pages. Ten pairs made the list. Fully synthetic-free picks come first, followed by the best low-stretch organic options for every body and budget, including plus-size, postpartum, and sensitive skin.
The Expert Behind the Research
- Erica Newlin, MD, Ob/Gyn quoted in Cleveland Clinic’s guide to the best underwear material, whose guidance on cotton, synthetic fabrics, and thongs shapes the health advice in this article
Our Top Picks at a Glance
The best cotton underwear for women is Pact’s Everyday Classic Fit Bikini, made from 95% GOTS certified organic cotton for about $14 a pair. KENT’s High-Waist Brief is the top fully plastic-free pick, made from 100% organic Supima cotton with no synthetic fibers.
Use this table to jump straight to the pick that fits you. Tap any name to jump to its product card.
| Pick | Best For | Fiber | 3rd Party Certs | Sizes | Price |
|---|---|---|---|---|---|
| KENT High-Waist Brief | Most plastic-free | 100% organic Supima cotton | GOTS | XS to 3XL | $$ |
| Cottonique Drawstring Boy Brief | Sensitive skin | 100% organic cotton | GOTS | XS to XL | $$ |
| Pact Everyday Classic Fit Bikini | Best overall | 95% organic cotton, 5% elastane | GOTS, Fair Trade (factory) | XS to 3XL | $ |
| Quince High-Waisted Brief 6-Pack | Budget | 95% organic cotton, 5% spandex | OEKO-TEX Standard 100 | XS to XL | $ |
| Pact Everyday High Rise Brief | High-waisted | 95% organic cotton, 5% elastane | GOTS, Fair Trade (factory) | XS to 2XL | $ |
| Subset High-Rise Thong | Thong | 95% organic cotton, 5% elastane | GOTS, OEKO-TEX, Fair Trade (factory) | 2XS to 4XL | $$ |
| Thunderpants USA Original | Plus-size | 90% organic cotton, 10% spandex | Organic Content Standard | XS to 6XL | $$ |
| Subset Maternity Above-Belly Brief | Postpartum | 95% organic cotton, 5% elastane | GOTS, OEKO-TEX, Fair Trade (factory) | XS to 3XL | $$ |
| ARQ High-Rise Undies | Made in the USA | 92% organic cotton, 8% spandex | None At This Time | XXS to 6X | $$ |
| Brook There Undyed Boyshort | Boyshort splurge | 94% organic cotton, 6% spandex | None At This Time | XS to XL | $$$ |
Price key: $ is under $15 a pair, $$ is $15 to $35, and $$$ is over $35.
How We Picked the Best Cotton Underwear
We picked the best cotton underwear for women by comparing fiber content, third-party certifications, size range, and brand transparency, then ranking fully synthetic-free pairs first.
This is a research-based list, not a wear test. We started with the organic cotton underwear brands shoppers ask about most, then held every pair to the same four checks:
- Fiber content of the body fabric, plus the waistband and leg elastic wherever the brand lists them
- Third-party certifications, such as GOTS, OEKO-TEX Standard 100, and Fair Trade
- Size range, with extra weight for brands that go past 2XL
- Transparency about factories, packaging, and take-back programs
Every pick comes from a brand with a real sustainability track record. Pairs with no synthetic fiber sit at the top. After that, the list moves through the best organic options by use case, and each product card shows exactly how much stretch fiber is in the fabric.
Don’t Miss: Non-Toxic Living: Where to Actually Start, Room by Room Swapping your underwear is one small step. This room-by-room guide shows which swaps make the biggest difference first. Read more →What to Look for in Cotton Underwear
Look for cotton underwear with at least 90% organic cotton, a full cotton gusset, a GOTS or OEKO-TEX label, and a waistband that is covered in cotton or skips elastic entirely.
A few details on the product page tell you more than any “natural” or “breathable” claim on the front of the package. These five are the ones to check before you buy.
Cotton Content: 100% vs. Blends vs. Gusset-Only
Underwear made from 100% cotton with no stretch fiber is rare. Most pairs land at 90% to 95% cotton, with 5% to 10% elastane or spandex so the fabric snaps back after you pull it on. Elastane and spandex are the same fiber, and both are synthetic.
Gusset-only cotton is the one to skip. Plenty of nylon and polyester underwear adds a small cotton panel at the crotch and calls the whole pair breathable. Cleveland Clinic notes that this small panel doesn’t fully protect you from the synthetic fabric and won’t breathe like 100% cotton. The American College of Obstetricians and Gynecologists still recommends underwear with at least a cotton panel, so treat that as the minimum, not the goal.
You’ll also see Pima, Supima, and Egyptian cotton on labels. These are long-staple cottons that feel smoother and resist pilling, but long-staple isn’t the same as organic. A pair can be Supima and conventionally grown.
💫 Now You Know
What Is Elastane?
Elastane is the stretch in your underwear. Sold as spandex or under brand names like Lycra, it’s a synthetic fiber made mostly from polyurethane, which puts it in the plastic family alongside the polyester and nylon used in many waistbands. A small amount keeps cotton from sagging, but it also means a pair isn’t fully plastic-free.
Organic vs. Conventional Cotton (GOTS, OEKO-TEX)
Organic cotton is grown without synthetic pesticides or fertilizers, and the Global Organic Textile Standard is the label that checks it from farm to finished garment. Under GOTS version 8.1, a product labeled organic must contain at least 95% certified organic fiber, and one labeled “made with organic” needs at least 70%.
OEKO-TEX Standard 100 answers a different question. It tests every thread, button, and accessory against a list of more than 1,000 harmful substances, but it doesn’t tell you how the cotton was grown. The strongest pairs carry GOTS, and OEKO-TEX is a solid backup when GOTS isn’t listed.
For a full breakdown of which labels hold up, see our guide to the third-party certifications worth trusting.
Cut and Rise
The right cut depends on what you wear over it and how much coverage feels comfortable. Here’s how the common styles compare:
- Bikini: sits below the belly button with moderate coverage, an easy everyday choice
- Brief: full seat coverage and a mid to high rise, the least likely to shift
- Hipster: sits on the hips with a wider side panel than a bikini
- High-waisted: reaches at or above the belly button, smooth under jeans and dresses
- Thong: minimal back coverage for fitted pants and skirts
- Boyshort: shorts-style legs that cover more of the upper thigh
Waistband Construction
The waistband is where plastic hides, even in organic pairs. Exposed elastic waistbands are usually a blend of nylon or polyester with elastane. Subset, for example, lists its waist elastic as 91% nylon and 9% elastane, even though the body fabric is 95% organic cotton.
Covered elastic wraps that band in cotton, so only cotton touches your skin. The most plastic-free options skip elastic entirely and use a cotton drawstring or a band cut from the same stretch fabric. If you want to know more about the nylon in most waistbands, read what to know about nylon before you wear it.
One detail surprises a lot of shoppers. GOTS classifies elastic bands and sewing threads as accessories, and it allows those accessories to be synthetic. A GOTS label means the cotton is organic, not that the elastic is plastic-free.
Ethics and Sustainability Certifications
Fair Trade Certified factories, B Corp status, and the Organic Content Standard all add useful proof about how a pair was made. The Fair Trade label covers the people sewing your underwear, while B Corp looks at a company’s overall social and environmental practices. The Organic Content Standard verifies how much organic fiber is in a product without covering the chemical and labor rules that GOTS does.
Packaging is worth a glance too. Pact ships in paper instead of plastic, Subset calls its packaging 100% plastic-free and recyclable, and KENT uses recyclable and compostable packaging.
The Best Cotton Underwear for Women
The best cotton underwear for women comes from organic cotton brands like KENT, Cottonique, Pact, and Subset, with KENT and Cottonique making the only fully synthetic-free pairs on this list.
Fully plastic-free pairs lead the list. Every pick after them contains a small amount of stretch fiber, listed on each card so you can compare.
Zero Synthetics and Compostable
$$
KENT makes one of the rare pairs with no stretch fiber at all. The High-Waist Brief is 100% GOTS certified organic Supima cotton, sewn with plant-based thread and finished with bio-based elastic, so there is no spandex, nylon, or polyester anywhere in it.
It sits softly at the natural waist in sizes XS to 3XL for about $28. When a pair wears out, it returns to soil in about 90 days, and the $5 Compost Club kit lets you mail old pairs back if you don’t compost at home.
Body Fabric
100% Organic Supima Cotton
✓ Plastic FreeStretch Fiber
None
✓ Plastic FreeWaistband
Bio-Based Elastic
✓ Plastic FreeCertification
GOTS
✓ CertifiedPros
- No synthetic fiber, even in the elastic
- Compostable, with a mail-back kit
- Sizes XS to 3XL
Cons
- Softer, looser fit than stretch briefs
- An independent review found an earlier style roomy, so check the size chart
The closest thing to a fully plastic-free brief you can buy. The pick if you want zero synthetics against your skin.
Elastic-Free, Latex-Free
$$
Cottonique was built for people who react to latex and spandex, and this midrise boy brief shows it. The fabric, the braided drawstring, the thread, and even the label are cotton, with no elastic at the waist or legs.
It is GOTS certified and sewn in the Philippines in a factory the brand describes as GOTS and B Corp certified. A 2-pack costs about $40, which works out to $20 a pair.
Body Fabric
100% Organic Cotton
✓ Plastic FreeStretch Fiber
None
✓ Plastic FreeWaistband
Cotton Drawstring
✓ Plastic FreeCertification
GOTS
✓ CertifiedPros
- Free of latex, spandex, and synthetic fibers
- Nothing presses into your waist or thighs
- Cotton thread and cotton label
Cons
- Sizes stop at XL
- A drawstring waist takes a day or two to get used to
The gentlest pair here for skin that reacts to elastic. The pick if waistbands leave you itchy or red.
Organic Cotton at an Easy Price
$
Pact is the easiest place to start. The Everyday Classic Fit Bikini is 95% GOTS certified organic cotton and 5% elastane, with a 100% organic cotton gusset, sewn in a Fair Trade Certified factory.
At about $14 a pair, with lower per-pair prices in the 5-pack, it hits the best balance of price, certifications, and size range on this list. Sizes run XS to 2XL, and black and white go up to 3XL.
Body Fabric
95% Organic Cotton
✓ Plastic FreeStretch Fiber
5% Elastane
⚠ SyntheticWaistband
Elastic, Fiber Not Listed
ⓘ Not ListedCertification
GOTS, Fair Trade Factory
✓ CertifiedPros
- GOTS organic cotton and a Fair Trade Certified factory
- About $14 a pair, less in the 5-pack
- Organic cotton gusset, tagless
Cons
- 5% elastane in the fabric
- Waistband elastic fiber isn’t listed
Certified organic cotton you can stock a whole drawer with. The best pick for most women.
About $5 a Pair
$
Quince sells its Organic Cotton High-Waisted Brief in a 6-pack for $29.90, which comes to about $5 a pair. The fabric is 95% organic cotton and 5% spandex, certified to OEKO-TEX Standard 100 and sewn in a WRAP-certified factory, a program that audits working conditions.
A 6-pack covers most of a week, in sand, black, or a mixed pack, sizes XS to XL. For more on the brand fiber by fiber, see our look at Quince’s cotton basics and the rest of its lineup.
Body Fabric
95% Organic Cotton
✓ Plastic FreeStretch Fiber
5% Spandex
⚠ SyntheticWaistband
Fiber Not Listed
ⓘ Not ListedCertification
OEKO-TEX Standard 100
✓ CertifiedPros
- Lowest price per pair on this list
- OEKO-TEX Standard 100 certified
- Full-coverage high waist
Cons
- No GOTS or Fair Trade listed
- Sizes stop at XL
Organic cotton for the price of a drugstore multipack. The pick if you’re replacing a whole drawer at once.
Full Coverage Under Everything
$
For a higher waist, Pact‘s Everyday High Rise Brief uses the same 95% GOTS certified organic cotton and 5% elastane fabric as the bikini. It rises higher for smooth coverage under jeans, trousers, and dresses, and it comes from the same Fair Trade Certified factory.
A single pair runs about $14, and the 5-pack brings it closer to $10 each, in sizes XS to 2XL. Need a bigger size? Subset’s Organic Cotton High-Rise Brief uses the same blend in 2XS to 4XL for $20.
Body Fabric
95% Organic Cotton
✓ Plastic FreeStretch Fiber
5% Elastane
⚠ SyntheticWaistband
Elastic, Fiber Not Listed
ⓘ Not ListedCertification
GOTS, Fair Trade Factory
✓ CertifiedPros
- High rise stays smooth under fitted clothes
- GOTS organic cotton, Fair Trade Certified factory
- About $10 a pair in the 5-pack
Cons
- Sizes stop at 2XL
- 5% elastane in the fabric
Pact’s best fabric in a rise that stays put. The pick for high-waisted coverage on a budget.
More Coverage Up Front
$$
Subset, the brand formerly known as Knickey, makes its High-Rise Thong from 95% certified organic cotton and 5% elastane. The high rise and self-edge leg hems give it more coverage up front than most thongs, in sizes 2XS to 4XL for $20.
Subset says its factories are GOTS and Fair Trade certified, orders ship in plastic-free packaging, and its free Trashie Take Back Bag recycles worn-out underwear for 20% off your next order.
Body Fabric
95% Organic Cotton
✓ Plastic FreeStretch Fiber
5% Elastane
⚠ SyntheticWaistband
Nylon and Elastane Elastic
⚠ SyntheticCertification
GOTS, Fair Trade Factories
✓ CertifiedPros
- Legs have no elastic
- Sizes 2XS to 4XL
- Plastic-free packaging and a free take-back bag
Cons
- Waist elastic is 91% nylon
- Amazon sells it in 3-packs only
A thong that’s cotton where it counts, with sizes most brands skip. The pick for a cotton thong under fitted clothes.
Sizes XS to 6XL, No Elastic
$$
Thunderpants USA makes its Original in Oregon in sizes XS to 6XL, the widest range on this list. The fabric is 90% organic cotton and 10% spandex, certified to the Organic Content Standard.
Instead of elastic, the waist and leg edges are bound with strips cut from the same fabric, and the gusset has no seam through the crotch. Each pair costs about $28, and the brand notes its sewing thread includes nylon and polyester.
Body Fabric
90% Organic Cotton
✓ Plastic FreeStretch Fiber
10% Spandex
⚠ SyntheticWaistband
Fabric Binding, No Elastic
✓ No ElasticCertification
Organic Content Standard
✓ CertifiedPros
- Widest size range here, XS to 6XL
- No elastic at the waist or legs
- Cut and sewn in the USA
Cons
- Highest spandex share on the list at 10%
- Nylon and polyester sewing thread
Soft at every edge and sized for every body. The pick if elastic digs in or your size is hard to find.
Sits Above the Bump
$$
Subset designed its Maternity Above-Belly Brief for pregnancy and postpartum comfort. It uses the same 95% organic cotton and 5% elastane fabric as the rest of the line, with a tall front that sits above the belly instead of cutting across it.
It comes in XS to 3XL for about $25, and Amazon carries a 3-pack. Like every Subset pair, it is made in GOTS and Fair Trade certified factories and ships plastic-free.
Body Fabric
95% Organic Cotton
✓ Plastic FreeStretch Fiber
5% Elastane
⚠ SyntheticWaistband
Nylon and Elastane Elastic
⚠ SyntheticCertification
GOTS, Fair Trade Factories
✓ CertifiedPros
- Tall front rests above the belly
- Works from pregnancy through recovery
- Sizes XS to 3XL
Cons
- Waist and leg elastics contain nylon
- Larger sizes sell out in some colors
One of the easiest comfort swaps for months of change. The pick for pregnancy and postpartum.
Bound Edges, Sizes XXS to 6X
$$
ARQ sews its High-Rise Undies in the U.S. from 92% organic cotton and 8% spandex. The edges are finished with bound fabric rather than exposed elastic, so there’s no band pressing into your waist or thighs.
Sizes run from XXS all the way to 6X for about $34 a pair, and the natural color is unbleached, with small flecks from the cotton plant.
Body Fabric
92% Organic Cotton
✓ Plastic FreeStretch Fiber
8% Spandex
⚠ SyntheticWaistband
Bound Fabric Edge
ⓘ No Exposed ElasticCertification
None Listed
ⓘ Not ListedPros
- Sewn in the U.S.
- Sizes XXS to 6X
- Unbleached natural color option
Cons
- No named third-party certification
- Binding and trim fibers aren’t listed
Small-batch, U.S.-sewn undies with a size range to match. The pick if you want to buy American-made.
No Dye at All
$$$
Brook There left its Undyed Boyshort in the natural color of the cotton, so no dye goes into the fabric. It is 94% organic cotton and 6% spandex, milled, cut, and sewn in the U.S., with a covered elastic waistband.
The boyshort cut covers the upper thigh, which makes it comfortable under skirts and dresses. At $58 it is the priciest pick here, in XS to XL, and the brand notes this run is large, so consider sizing down.
Body Fabric
94% Organic Cotton
✓ Plastic FreeStretch Fiber
6% Spandex
⚠ SyntheticWaistband
Covered Elastic
ⓘ Fiber Not ListedCertification
GOTS-Certified Yarn
ⓘ Brand StatesPros
- No dye in the fabric
- Made in the U.S. from U.S.-milled fabric
- Ships without single-use plastic
Cons
- Most expensive pick
- Runs large, and shade varies pair to pair
The simplest pair here, straight from the cotton. The pick if you want an undyed boyshort and don’t mind paying for it.
Cotton Underwear Brands We Researched but Didn’t Recommend
Hanky Panky, Everlane, and Boody didn’t make our list because none of them sells women’s underwear made from organic cotton, and two use nylon or high amounts of elastane.
A few well-known names came up again and again while we built this list. Here’s why they didn’t make it:
- Hanky Panky: its Supima Cotton French Brief is 96% Supima cotton and 4% spandex, but the trim is 90% nylon and 10% spandex, and the cotton isn’t organic.
- Everlane: the Cotton High-Rise Hipster is 92% Supima cotton and 8% elastane, with no organic certification listed.
- Boody: its women’s briefs are made from bamboo viscose, not cotton.
- Organic Basics and Mighty Good Basics: both make GOTS certified organic cotton underwear, but Organic Basics prices in euros and Mighty Good Basics is an Australian brand, so they’re harder to buy from the U.S.
Organic Basics and Mighty Good Basics are good brands if you live closer to them. The first three simply don’t offer what this guide is about: underwear made mostly from organic cotton.
📌 Save This Cotton Underwear Guide
How to Care for Cotton Underwear So It Lasts
Cotton underwear lasts longest when you wash it in cold water, skip fabric softener, and line dry or tumble dry on low, since heat shrinks cotton and wears out elastic fastest.
Cotton is sturdy, but heat is hard on it. Hot water and high dryer heat shrink cotton and break down elastane, which is why a waistband goes wavy after enough hot cycles.
- Wash in cold or warm water, not hot
- Line dry, or tumble dry on the lowest setting
- Skip fabric softener, which coats cotton and makes it less absorbent
- Wash with a gentle, fragrance-free detergent, especially if your skin is sensitive
- Follow the care label for any pair with lace or special trim
Cleveland Clinic recommends a fresh pair at least daily. There’s no official rule for when to replace underwear, so let the fabric tell you. When the elastic stops springing back, the gusset wears thin, or holes appear, it’s time for a new pair.
✨ TIP
Give Old Pairs a Second Life
Before you toss worn-out underwear, check for a take-back program. KENT’s Compost Club kit takes back its plastic-free pairs, and Subset’s free Trashie bag collects old underwear for recycling. For the wash itself, pick one of our non-toxic laundry detergents so no harsh residue sits against your skin.
A little care goes a long way with organic cotton. The fewer pairs you replace, the less you spend and the less fabric ends up in the trash.
Cotton vs. Modal vs. Bamboo vs. Synthetic Underwear
Organic cotton is the best underwear fabric for breathability and low plastic. Modal and bamboo viscose feel silky but are chemically processed, and polyester and nylon underwear are plastic.
Synthetic underwear also sheds plastic every time you wash it. Researchers at the University of Plymouth found that a 6 kg load of polyester fabric could release about 496,000 microfibers in a single wash, compared with about 138,000 from a polyester and cotton blend. Those fibers travel down the drain as microplastics.
If you want another natural fiber for colder months, merino wool is a strong option. Our guide to sustainable sweaters by fiber type walks through how wool, cotton, and other natural fibers compare.
FAQs About Cotton Underwear for Women
KENT and Cottonique both make women’s underwear with no synthetic fiber. KENT’s briefs are 100% organic Supima cotton, and Cottonique’s drawstring styles use organic cotton for the fabric, drawstring, and label. Most other brands blend in 5% to 10% elastane or use synthetic waistband elastic.
Yes. A 95/5 blend is sold as cotton underwear, and GOTS allows up to 10% virgin synthetic fiber in certified organic products. That 5% spandex is still plastic, so the pair isn’t fully plastic-free.
Cotton breathes and pulls away the moisture that bacteria and yeast thrive on, according to Cleveland Clinic. Cleveland Clinic also lists cotton underwear as a way to help prevent vaginal yeast infections, and ACOG recommends underwear with at least a cotton panel.
There’s no official medical rule. Replace a pair when the elastic stops springing back, the gusset wears thin, or holes appear. Wear a fresh pair at least daily, as Cleveland Clinic recommends.
For most people, yes, and the price gap is smaller than you might expect. Pact’s organic pairs cost about $14, and Quince’s organic 6-pack works out to about $5 a pair. Organic cotton is grown without synthetic pesticides, and GOTS also checks how the fabric is processed and sewn.
Yes, when the body is cotton and not just the gusset. Cleveland Clinic cites a study finding thongs don’t increase the risk of yeast infections, bacterial vaginosis, or urinary tract infections. Subset’s High-Rise Thong is 95% organic cotton.
Look for loose, breathable pairs with little or no elastane, such as KENT’s High-Waist Brief or Cottonique’s drawstring brief. Cotton breathes better than synthetics, and a looser fit lets more air move. If you’re having frequent hot flashes, talk with your doctor about options.
Riding up usually comes down to cut and size. Full-coverage briefs and boyshorts tend to stay in place better than bikinis, and a correct size matters more than any fabric. Check each brand’s size chart, since organic cotton brands often fit differently from mass-market sizing.
Not always. GOTS allows up to 10% virgin synthetic fiber in organic products, and it lets elastic bands and sewing threads be synthetic. For a plastic-free pair, check the full fiber list, including the waistband.
Final Thoughts About the Best Cotton Underwear for Women
For most women, Pact’s Everyday Classic Fit Bikini is the best cotton underwear to buy. If you want zero plastic, choose KENT’s High-Waist Brief or Cottonique’s elastic-free drawstring brief.
All 10 picks here are a real step up from synthetic underwear. Pact gives you GOTS organic cotton, a Fair Trade Certified factory, and sizes to 3XL for about $14. KENT and Cottonique go further and remove the plastic entirely. Thunderpants, ARQ, and Subset cover the sizes and life stages that most roundups skip.
Start with the pair that fits how you live, and replace your drawer a few pairs at a time as old ones wear out. Every swap means less plastic against your skin and fewer microfibers in the wash.
📚 References
- American College of Obstetricians and Gynecologists. (n.d.). Vulvovaginal health. https://www.acog.org/womens-health/faqs/vulvovaginal-health
- ARQ. (n.d.). High-rise undies, cotton. https://shoparq.com/products/high-rise-undies-cotton
- Boody. (n.d.). Women’s briefs. https://boody.com/collections/womens-briefs
- Brook There. (n.d.). Undyed boyshort. https://brookthere.com/products/undyed-boyshort
- Cleveland Clinic. (2025, March 19). The best material for underwear. https://health.clevelandclinic.org/best-material-for-underwear
- Cleveland Clinic. (n.d.). Vaginal yeast infection. https://my.clevelandclinic.org/health/diseases/5019-vaginal-yeast-infection
- Cottonique. (n.d.). Women’s elastic-free midrise drawstring boy brief (2-pack). https://cottonique.com/products/women-s-elastic-free-midrise-drawstring-boy-brief-2-pack
- Everlane. (n.d.). The cotton high-rise hipster. https://www.everlane.com/products/womens-high-rise-hipster-black
- Global Organic Textile Standard. (2026). Global Organic Textile Standard (GOTS) version 8.1. https://global-standards.org/images/downloads/standard-manual/global_organic_textile_standard_v8.1_2026.pdf
- Global Organic Textile Standard. (n.d.). Organic fibres. https://global-standard.org/the-standard/gots-key-features/organic-fibres
- Hanky Panky. (n.d.). Supima cotton French brief. https://www.hankypanky.com/products/supima-cotton-french-brief-navy
- Jojotastic. (2022, June 8). KENT underwear review. https://jojotastic.com/2022/06/08/kent-underwear-review/
- KENT. (n.d.). Compost Club ship kit. https://wearkent.com/products/compostclubshipkit
- KENT. (n.d.). Organic Supima cotton high-waist brief. https://wearkent.com/products/organic-cotton-high-waist-brief
- Napper, I. E., & Thompson, R. C. (2016). Release of synthetic microplastic plastic fibres from domestic washing machines: Effects of fabric type and washing conditions. Marine Pollution Bulletin, 112(1-2), 39-45. https://doi.org/10.1016/j.marpolbul.2016.09.025
- OEKO-TEX. (n.d.). OEKO-TEX Standard 100. https://www.oeko-tex.com/en/our-standards/oeko-tex-standard-100
- Pact. (n.d.). Everyday classic fit bikini. https://wearpact.com/women/underwear/undies/everyday%20classic%20fit%20bikini
- Pact. (n.d.). Everyday high rise brief. https://wearpact.com/women/underwear/undies/everyday%20high%20rise%20brief
- Quince. (n.d.). Organic cotton high-waisted brief 6-pack. https://www.quince.com/women/organic-cotton-high-waist-brief-6-pack
- Subset. (n.d.). High-rise thong. https://wearsubset.com/products/high-rise-thong
- Subset. (n.d.). Maternity above-belly brief. https://wearsubset.com/products/maternity-above-belly-brief
- Subset. (n.d.). Organic cotton high-rise brief. https://wearsubset.com/products/high-rise-brief
- Subset. (n.d.). Recycle with Subset. https://wearsubset.com/pages/recycle
- Textile Exchange. (2025). Materials market report 2025. https://textileexchange.org/app/uploads/2025/09/Materials-Market-Report-2025.pdf
- Thunderpants USA. (n.d.). Made in the USA. https://thunderpantsusa.com/pages/usa-made
- Thunderpants USA. (n.d.). Original. https://thunderpantsusa.com/products/original-delias-daisy
More Low-Plastic Clothing Reads
- Is Polyester Plastic? The Truth About Your Clothes
- Is Nylon Toxic? What to Know Before You Wear It
- Sustainable Sweaters: 9 Cozy Picks by Fiber Type
- Is Quince Sustainable? It Depends on the Fiber
- Third-Party Certifications: The 25 Labels Worth Trusting
- 10 Best Non-Toxic Laundry Detergents (Plastic-Free)
