Our Extreme Cold Weather/Mountaineering boot sock designed for extreme cold climates or rugged terrain. This is our warmest sock, featuring full terry loop cushioning throughout for maximum warmth. Elastic support at arch. Reinforced heel and toe for increased durability.
Extra Cushion: Our thickest, burliest and highest density cushioning makes for a big, bad monster of a sock.
Boot Height: Sits mid-calf for added protection and warmth. A sturdy companion.
80% Merino Wool 19% Nylon 1% Lycra® Spandex