Second Skin-Our most technologically advanced running socks for Man & Women. Utilizing 3-Dimensional modeling, Thirty48 has designed them for Anatomically Correct Fit. Engineered with Stretchy Ultra Light Fabric for Seamless Toe Closure (50% Nylon, 14% Lycra Spandex). Seamless Toe Closure allows for complete range of movement and prevents abrasion on the toes. Moisture Wicking Lightweight Mesh (23% Wick Poly, 14% Lycra Spandex, 13% Cotton) provides superior ventilation and comfort. Heel pull tab for easy On and Off running socks. UPC 760875703665 ASIN B072M3D1QP Color [3 Pairs] Black/Gray Style Modern Pattern Geometric Fit Type Regular Material 50% Nylon, 14% Lycra Spandex, 23% Wick Poly, 13% Cotton Occasion Birthday, Christmas, Halloween Brand Name Thirty48 Rise Style Low Cut Socks Form Athletic Socks Sport Type Running Unit Count 3 Count Fabric Type 50% Nylon, 14% Lycra Spandex, 23% Wick Poly, 13% Cotton Part Number RUS4BKG-3PK Closure Type Pull On Manufacturer Thirty48 Style Number RUS4BKG-3PK Shoe Height Map Ankle-High Age Range Description Adult Water Resistance Level Not Water Resistant Product Care Instructions Machine Wash