12 Pairs Of Mens excellent Merino Wool Blend Thermo Insulating Hiking Boot Socks KNOW FOR:Merino wool socks are excellent as boot socks for men, or for the man who works outdoors. RETAINS::In cold weather, merino wool socks retain heat so your feet stay warm, dry, and cozy. In hot weather climates, our socks wick away moisture and sweat., so your feet stay comfortable and dry CONTENT:45% Cotton 7% Spandex 10% Nylon 38% Merino Wool SIZING:Socks fits Men's shoe sizes 7-13 USE FOR:Merino Wool socks unique properties make it ideal for hiking,hunting,skiing,military,construction,cold weather, and working out.