Jeep Womens/Ladies Terrain Cotton Rich Premium Boot Socks (3 Pairs) Cotton, Polyester, Elastane Cotton rich hard wearing terrain socks. Cushioned sole. Trekking and work socks. Size: US 6-9. Pink and Grey: 80% Cotton 17% Polyester 2% Elastane 1% Nylon, Sapphire: 73% Cotton 22% Polyester 2% Lycra Elastane 3% Nylon.