Lining Material: 100% Tactel. Outer Materials: 60% Cotton, 38% Nylon, 2% Lycra. Fabric: Knitted, Mesh, Soft Touch. Design: Logo, Patterned. Arch Bracing, Flat Seams, Padded Heel, Toe and Achilles, Top Vent, Y Heel. Fabric Technology: Breathable, Double Layer, Lightweight, Moisture Wicking. Anti-Blister. Cuff: Elasticated, Ribbed. Sustainability: Made from Recycled Materials, REPREVE. Prevents Rubbing, Protects From Friction and Hits. Ref: UTCS549