Omni-Grip non-marking traction rubber Techlite lightweight midsole for long lasting comfort, superior cushioning, and high energy return 200g insulation. Rated -25F/-32C Combination leather and textile with faux fur tongue lining. Omni-Tech waterproof breathable seam-sealed membrane bootie construction. Omni-Heat 3D reflective lining. Light scuffing from wear, excellent used condition