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The Comfort Briefing

Do Your Part to Save the Planet In Your Underwear

Do Your Part to Save the Planet In Your Underwear

From the beginning, we’ve kept the planet in mind in everything we do. We use and seek out new sustainable fibers and our designs are created to efficiently maximize fabric usage and minimize waste. We are also conscious of reducing waste in our packaging—from our famous rolled thongs, to joining prAna’s Responsible Packaging Movement.


Are you ready to slip on something a little more sustainable? (That was a rhetorical question—we already know you are since you’re here).


Get ready for your new go-to guide for the best eco-conscious underwear (and more!):


SUPIMA® Cotton

Cotton is a classic fabric for a reason—it’s super soft and breathable. But not all cotton is created—or grown—equally (or sustainably). That’s why we love and use SUPIMA® Cotton— a lightweight stretch jersey knit fabric made from ultra-premium cotton fiber responsibly grown in the Southwest USA under the CottonLEADS℠ sustainability initiative. The fabric is knitted, dyed, and finished using low-impact fiber reactive dyes, which do not contain toxic chemicals and use less water than conventional dyeing, resulting in an eco-friendlier process.

Discover Thongs, Boyshorts, and more in your favorite fabric.


Plus, did you know that all our undies have SUPIMA® Cotton gussets (aka crotch linings)? Yes, even our classic Signature Lace and Daily Lace™ styles!



Meet your prescription for comfort, ECO Rx™.  Our newest ultra-soft ribbed knit is made of TENCEL™ fibers with REFIBRA™ technology—70% wood pulp (yes, wood pulp) from sustainably managed forests and 30% upcycled cotton scraps from garment production.


Some ECO Rx™ styles (like the super comfy thongs) feature waistbands made of 85% REPREVE® Nylon created from postindustrial nylon fiber waste.  


We recommend wearing ECO Rx™ loungewear and undies daily—morning and night. Wear it in bed, on the couch, on your work call, on a grocery run.



A modern, eco-friendly cellulose fiber, TENCEL™ Modal fibers are made from sustainably harvested beechwood and created using ecologically sensitive techniques in Europe. These fibers are EU Ecolabel certified, and use FSC®, PEFC® and responsibly managed renewable sources in their production. And to top it off, modal is completely biodegradable, making it a true star of an eco-friendly fabric.


We use this super-soft and drapey jersey knit in our DreamEase and TENCEL™ Modal sleepwear collections. 




If they have holes in them, stains you can’t get rid of, don’t fit like they used to, and just don’t make you feel good when you put them on anymore…it’s time to end it. To help you responsibly recycle your ex-undies, we partnered with Green Tree, a non-profit organization dedicated to stopping all unwanted post-consumer textile material from entering landfills (it’s shredded and processed into industrial insulation instead!). All you have to do is request a label, pack four (or more) of your ex-undies, and send them to us—we’ll take care of the rest. 


And as a reward for (responsibly) getting rid of the undies that no longer serve you, we give you 100 Panky Points ($10!) to use whenever you’re ready to start searching for your new perfect match. Believe us—there are plenty of fish in the sea—from our staple Signature Lace thongs, to bestselling Boyshorts.