Features of the Merrell Men's Coldpack Ice+ Mid Waterproof Boot Nubuck leather and mesh Upper Traditional lace closure Protective rubber rand and toe cap Breathable mesh lining M Select WARM lightweight, low bulk Insulation keeps you comfortable Fit ECO blended EVA contoured Footbed with organic odor control Molded nylon arch shank EVA Midsole for stability and comfort M Select DRY products shed external moisture from precipitation and wet ground conditions Allowing moisture from physical activity to escape to give you dry comfort inside and out Breathable: Releases perspiration Waterproof construction blocks precipitation and wind Lightweight,low bulk warmth Compressible for easy packing Traps and reflects body heat to keep you warm M Select ICE GRIP maximizes traction over Snow Harder rubber compound bites into Hie Snow like crampons Increased surtace contact grips Snow and Ice Angled lugs cut through ice