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Organic Cotton Underwear

Our collection of the cutest & most comfortable undies you’ll ever wear. Styles for every occasion in XS-3X.
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ThirdLove’s Cotton Underwear


Cotton underwear is the go-to type of underwear for women of all ages, shapes, and sizes. And rightfully so! Women’s cotton underwear is breathable, lightweight, and offers a huge variety of colors and styles. That’s why at ThirdLove we’ve created a rich collection of cotton underwear that covers all popular styles of undies designed with extra care and consideration or women’s needs. If you’re looking for a combination of style, comfort, and premium fabrics, take a look at our extensive collection of cotton underwear for women - and you will be pleasantly surprised! Match your cotton undies with a breathable, supportive cotton bra for all-day comfort.

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Returns & exchanges free for 60 days for all U.S. orders. Please try on the bra to ensure a good fit, making sure to leave the original tags attached....

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Styles in AA-H, including half cups

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Take our quiz to find your perfect fit

Take our quiz to find your perfect fit