Ski knee socks with an admixture of wool Gatta G03 knee-high socks. GA5 Ski Active Made of a blend of fibres with an admixture of wool, these ski knee socks provide excellent protection against the cold. Product Features: acrylic and wool blend pressure-free welt keeps the knee sock in place ribbing in the midfoot prevents slipping soft terry on the inside flat seams do not cause pressure Unisex Composition: 63% acrylic, 27% wool, 8% polyamide, 1% polypropylene, 1% elastane