1000MilePerformanceTrailSock. Features the unique properties of Wool Ultra - real wool, but more so. Revolutionary new yarn technology makes WoolUltra up to 20% lighter than conventional wool. Superior wicking properties result in 30% faster drying and also makes it more effective in combating odours. Padded comfort zones, a flat toe seam, and arch brace help to provide a customised fit. Non prickle, non itch and minimal skin rub, dramatically reducing blisters. Lightweight panels on top to aid...