Made with a bamboo footbed and cuff, Stryder socks are odor resistant, super soft, & moisture wicking. Our compression socks stay in place and support your arches & toes so that at the end of the day it will feel like you've just put them on. With extra padding, you'll feel extra support. For full comfort, wash before first use. Care instructions: machine wash warm, tumble dry medium, do not bleach. Fiber content is 70% Rayon from Bamboo, 24% Polyester, 1% Spandex, and 5% Latex. One size fits most. Made in the USA.