Columbia Men's Bugaboot Plus III XTM Omni-Heat Snow Boot 100% Combination of leather, nylon, webbing and metal hardware Imported Rubber sole Shaft measures approximately 9.5" from arch Techlite lightweight midsole for long lasting comfort, superior cushioning, and high energy return. Omni-Grip non-marking traction rubber, Combination of leather, nylon, webbing and metal hardware. Waterproof seam-sealed construction. Techlite shell. Omni-Heat reflective lining. 600g insulation. Rated -65F/-54C.