Built for extreme cold, rugged work sites, and long days on your feet, these Heavyweight Merino Wool Tall Boot Socks deliver thermal insulation, impact resistance, and durability. Crafted in the USA from a 70% Merino Wool, 25% Nylon, and 5% Spandex blend, they offer natural moisture control and elastic stretch that keeps the sock in place without sagging. Arch support Full cushion leg and foot Moisture Wicking Reinforced heel and toe areas Seamless toe comfort 70% Merino Wool, 25% Nylon, 5% Spandex