For ultimate warmth and darn-near indestructible durability, you just can't beat these U.S. Military Surplus Mickey Boots. Thick rubber construction is double-layered in key wear areas. Plus, (3) 0.25" thick layers of insulation-plus an extra layer in the toe- keep you marching despite wicked-cold temps. Durable 100% rubber construction (3) 0.25" thick layers of wool insulation all around, all sandwiched between layers of rubber Heel wedge accepts ski or snowshoe bindings and doubles as a kick-off wedge High-traction soles and double-thick rubber in all wear areas Gusseted tongue Rugged nylon laces Nylon-lined interior Note: May have ink stamp markings (including "Condemned"), please see additional product information on how to remove