Features • Upper : Leather and textile upper • Omni-HEAT™ reflective lining • Weight 17.8 oz. / 504 g • Waterproof seam-sealed construction • Midsole : TECHLITE™ lightweight midsole for long lasting comfort, superior cushioning, and high energy return • 200g Critical Zone Insulation • Outsole : Omni-GRIP™ non-marking traction rubber