Bridgedale provide a 3 year guarantee on any Bridgedale sock that contains WoolFusion®.Any season, anywhere, all year round, Bridgedale Comfort Summit Socks are the socks of choice for mountain and trail walking in cold conditions. Warmly insulated with full leg terry cushioning and double density underfoot padding that extends over the Achilles tendon area, Bridgedale’s WoolFusion® technology ensures high performance from the Merino Wool/Coolmax® yarn blend, that promotes warmth, softness and moisture wicking breathability. The socks also have a low-tension cuff for extra added comfort. (05/12)