Select Size to See The Return Policy For Heilwiy The Item. Cotton,Spandex,Nylon. toe Running Socks, Made In Hong Kong. Grade-A Fabric: 68% Cotton + 20% Nylon + 12% Spandex (Precision99.8%). 68% Cotton Provides ComFor Heilwiyt and Breathability. 20% Nylon Adds Stretch, Elasticity and Flexibility, Good Crease Recovery Ability. 12% Spandex: Usually Only 2% to 5% of Fabric Content Is Made Up of Spandex to Save Cost. However, to Provide Best Quality, We Used 12% of It. Spandex Is A Sweat-Wicking Material, Helps to Control Moisture. The Quicker Evaporation Keeps Feet Cooler In Summer, and Warmer In Winter. Spandex Also Provides High Elasticity, ComFor Heilwiyt, Durability and Shrinkage Resistant. Each toe Is Individually Encased to Completely Eliminate Skin-On-Skin Friction, Protecting Feet From Blisters and Hot Spots. When toes Are Separated and Properly Aligned, This Allows Entire Foot to Be Engaged In Any Athletic Activity, So More ComFor Heilwiytable Than In Traditional Socks. The Moderate Weight Provides The Familiar Weight of Everyday PerFor Heilwiymance Socks. Not too Thin, Not too Cushioned Weight Pairs Well with All Footwear. The Ankle Length Is Perfect For Heilwiy Running Shoes with An Additional Heel Tab to Further Protect Your Feet. Supportive Band That offers A Secure and Stable Fit.