<!--ProdInc[300261371]/Mall:[backcountry_US]-->For lovers of the deep frost of winter, the Keen Revel IV Mid Polar boot acts like a mobile armored cocoon with a built-in fireplace. Stepping into the tall-standing lace-up, you’ll be comforted by the KEEN.WARM insulation, which braces against negative 25-degree F conditions, for extreme travels to glistening landscapes. A thermal shield insole bounces back heat to your toes as the temps continue to cool. In mixed weather conditions or days when you are in and out of the house, the waterproof upper and sole keep out rain and snowmelt to maintain a cozy, dry interior compartment. And the outsole with KEEN.Polar Traction grips on snow and ice for added peace of mind as you explore your wintery views. <h3>Details</h3> Heavily fortified deep-winter trekking and work boot Waterproof membrane seals out moisture to keep you warm Heat rated to well below freezing conditions Thermal trapping insulation in midsoles for extra warmth Cushioning EVA midsole for durability and pain free excursions Enhanced grip on snow and ice with Keen.Polar Traction Item #KENZ5CF <h3>Tech Specs</h3> Upper Material : [face fabric] synthetic, [membrane] KEEN.DRY Waterproofing : KEEN.DRY Insulation : KEEN.WARM Recycled PET Temperature Rating : -25F Closure : lace Footbed : Thermal Heat Shield Midsole : Compression-molded EVA Sole : KEEN.Polar Traction Claimed Weight : [single, size 7] 1lb 4oz Manufacturer Warranty : 1 year