With the Bridgedale WoolFusion Trekker Women\'s Walking Sock, the specialist sock manufacturers have used a complex blend of fibres to create a true all-year backpacking and trekking sock.Enduro Wool provides impressive cushioning and warmth, while the Endurofil fibres wick moisture away to keep feet refreshed. These fibres are woven around a tough Nylon framework for longevity and finished with a touch of Lycra for a close, wrinkle free fit.Additional padding underfoot and a half terry leg mean these socks stay comfier for longer, time after time.44% Enduro Wool / Laine vierge38% Nylon / polyamide17% Endurofil/ polypropylene1% Lycra / elastane