The Bridgedale Men's Hike Midweight Merino Endurance Boot Socks keep active feet dry, warm and comfortable. Crafted with Thermofit technology and moisture management thanks to overfood ventilation and carefully considered details including flat toe seams, these boot length socks are ideal for all day protection and next-to-skin comfort. Come rain or shine, the snug merino wool blend will keep your toes warm in the unpredictable weather.26% New Wool, 18% Merino Wool, 38% Nylon/Polyamide, 17% Endurofil/Polypropylene, 1% Lycra/ElastaneThermo fit technology Moisture management Snug merino wool blend