Helly Hansen Men&';s Gamvik Insulated Winter Boots 2027 The Helly Hansen Men&';s Gamvik Insulated Winter Boots 2027 are built for serious cold with a classic duck-boot design and rugged winter protection. A water-repellent, seam-sealed upper combines with a vulcanized rubber lower and HH FreezeBlock aluminum shield technology to help protect against snow, moisture, and cold. The faux-shearling insulated lining and removable insulated sock add warmth, with a certified thermal rating down to -22AdegF. Underfoot, HHA(R) Max Grip and HH Surround-Grip provide dependable traction across frozen winter surfaces. Details Upper: Leather with recycled polyester and polyurethane materials Weather Protection: Water-repellent, seam-sealed construction with HH Spray Tech and Snow Proof protection Waterproofness Rating: 5/6 Cold Protection: HH FreezeBlock aluminum shield technology Thermal Rating: Certified from -4AdegF to -22AdegF Insulation Rating: 4/6 Lining: Insulated faux-shearling lining with recycled polyester Lower: Vulcanized rubber construction for added weather protection Protection: HHA(R) Pro Guard Insole: EVA insole with removable insulated sock Outsole: 100% rubber with HHA(R) Max Grip and HH Surround-Grip Laces: 100% recycled laces with recycled polyester webbing Lightness Rating: 4/6 Weight: 810g