Perfect For A Week Of Workouts And Everything In Between, The Nike 3ppk Dri-fit Non-cushioned No Show Sock Features Dri-fit Fabric To Help Keep Your Feet Cool And Dry, Plus Anatomically Specific Left And Right Designs For A Superior Fit.Non-cushioned Construction Offers A Sleek, Second Skin Feel.Reinforced Heel And Toe Enhances Durability In High-wear Areas.Fabric: 62% Polyester/37% Nylon/1% Elastane.