Bridgedale Men's Mountain Socks 100% Other Fibers Imported Knit with finest wool used in the Bridgedale range: Merino Wool. Merino Wool offers superb softness and touch next to skin. Merino Wool also provides excellent thermal and moisture control properties. ENDUROFIL is a thermal yarn and is combined with Enduro-Wool and Merino Wool for superb wicking and durability. ENDUROFIL is a polypropylene fibre and offers high abrasion and wash resistance. LYCRA fibre is an elastic fibre that ensures Bridgedale socks fit and stay fitted. LYCRA is knit in specific zones to further improve fit and long term comfort and helps Bridgedale socks keep their shape year after year. Over calf height and medium cushioning for added protection. Imported. 34% Merino Wool, 33% ENDUROFIL/Polypropylene, 32% Nylon/Polyamide, 1% LYCRA/Elastane