Coolmax: Moisture wicking performance for dry feet. Liner: Baselayer for under socks. Fine-knit soft Coolmax microfibres help prevent blisters, soreness and allergies. Recommended to be worn under other Bridgedale socks. Extra Comfort & Dryness Next-to-Skin. NOTE: Sold in packs of 2 FEATURES Warmth Rating: 1/5 Cushion Rating: 1/5 TECH DETAILS Fibre Content: 57% Coolmax/polyester 20% Nylon/polyamide 19% Endurofil/polypropylene 4% Lycra/elastane