Bridgedale provide a 3 year guarantee on any bridgedale sock that contains woolfusionregany 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 bridgedalersquos woolfusionreg technology ensures high performance from the merino woolcoolmaxreg yarn blend that promotes warm