A mid-calf length sock, the 1000 Mile Lightweight Walk Sock is recommended for 3 season walking in any type of boot. The 100% Tactel® inner layer stays with the foot, wicking away moisture, whilst the soft merino wool-mix outer moves with the shoe, helping to prevent blisters and reduce wear. The unique combination of fibres maintains a comfortable temperature for the foot. Arch bracing gives additional support.