✅ Lightweight Performance Fabric - 70% Bamboo fiber, 25% Polyester, 5% Spandex. Machine Washable.✅ Non Slip Design - Unique silicone arrangement around the ankle area keeps socks in place.✅ Particular Mesh Zone - Zone mesh around the arch area designs for anti-odor and moisture-wicking, keeps your feet dry from sweat.✅ Subzone Design - Extra cushioning at the heel and the toe provides impact protection and prevent blister. 200N hign density knitting improve confort and durability of socks.✅ Multi-Colors Available - All colors are must-have basics, well suitable for your varieties of outfits.