77% THOR-WICK COOL/18% Stretch Nylon/5% Spandex; Moisture Wicking For Drier, Cooler Feet; Padding In Ball And Heel Engineered For Protection And Comfort When There Is Low Stress On Feet; Low Profile Toe Seam Won’t Rub Or Irritate Feet; No-Slip, Over The Calf Top; For Longer Product Life, Wash Inside Out And Use Liquid Fabric Softener; Unisex; Color: Cornstalk Brown; Style #TWL