These socks MAY or MAY NOT make you into a ravenous hairy monster at night. Only time will tell. - Combed Cotton/Nylon/Spandex - Our socks do not contain polyester - DOUBLE TERRY in the heel and toe area - High Thread Count - Like fancy sheets for your feets - Greater levels of details, design is flipped on opposite foot - 40 Gram Socks with Smoooooth Seams - Sewn to be better than your average sock - not paper thin - Provides breathe-ability for year round wear - No uncomfortable bumps in the toe area - One Size Fits Most Humans Adult Sizes 5-13