Features our proprietary FIONx™ fabric with four-way stretch, moisture-wicking, anti-wrinkle and ridiculously soft properties Features Silvadur™ antimicrobial technology, which provides odor protection, inhibits the growth of bacteria, yeast, algae, and other microorganisms that cause odor and fabric damage, and increases the lifespan and durability of the product 72% Polyester 21% Rayon 7% Spandex 100% Awesome Wash cold inside-out, tumble dry low