Waterproof and breathable, four-way stretch, antimicrobial, tear-resistant, packs down into front pocket for travel or for use as a small pillow. Fair Wear bluesignR 88% nylon, 12% spandex with DWR finish. Made from recycled materials. Slim fit, unisex sizing. These pants do have a few flaws in fabric shown in last pic, no holes, just flaws from rock climbing and hiking. There is pilling on inside of fabric but does not affect pants and not visible. Bundle 2 or more to save 20% U