103676 Features: The PU coated shell outer keeps out the coldest of cold weather and elements A high-density, removable, foam liner retains a boatload of heat, and a thermo-reflective, aluminum-faced coating sends warmth back to the toes The stiff sole with steel shank is step-in crampon compatible Boots and liners come in half-sizes for a precise fit that will make any mountaineer smile Men's sizing Specifications: Weight per pair: 6 pounds Upper: 5-ply, PU- (polyurethane) coated nylon Midsole: Synthetic, variable-density rubber Outsole: Dual-density synthetic butadiene rubber Inner Boot: Closed-cell PE (polyethylene) foam Liner: Synthetic fibers and aluminum Type of shank: Steel
