Features: Sorbtek moisture wicking yarns, Full cushion from top to bottom, Reinforced heel and toe Longer cuff, Vented for breathability, Smooth toe seem, Made in USA; Content: 71% Cotton, 25% Polyester, 3% Nylon 1%Spandex; Sizing: L: Fits men's shoe size 8-12, XL: Fits men's shoe size 13+; Care Instructions: Machine wash, warm Only, non-chlorine bleach when needed, Tumble dry medium, Do not Iron.