Experienced outdoorsmen (and women) will tell you that the secret to keeping warm in extreme conditions is layering. These Bridgedale Thermal Liners provide the ideal base-layer, soft and extra-fine, with moisture wicking microfibre construction. Kept against the skin, Bridgedale Thermal Liners trap warm air, keeping feet warm and wick moisture to maintain a dry foot environment. The liners have added lycra for fit and reinforced toes and heels for durable wear. Twin pack.(05/12)