Reach new heights with the Snow Peak Mens Snow Boots, thermal tested to keep your feet warm in temperatures as low as -40°C. These boots are snow proof and durable with deep tread for grip on snowy days. Snowproof - Highly Water Resistant with a waterproof membrane Waterproof - Constructed of a water-resistant upper and waterproof membrane Thermal Tested - these boots will keep your feet warm in temperatures as low as -40°C. *Subject to health and physical activity, exposure time and proper dress, weather conditions and perspiration will affect performance and comfort Isotherm Insulated Lining - 400gsm Thinsulate insulated lining adds warmth without bulk High Traction Rubber Outsole - with deep tread for grip and stability Great for - extremely cold snowy days/keeping your feet warm/days out in moderate levels of snow/walking in slushy snow