Merrell:Mens Merrell Isotherm

Merrell Isotherm Men's Winter Boot. Aggressive, compact and built to keep your feet warm and comfortable even when you can’t see red on the thermometer – the Isotherm 6 has multiple insulation and heat retention features that buffer below zero temps and a snow specific sole to give icy or slick conditions the grip. The snowshoe strap ridge and Gaiter D Ring features increase your comfort and fun for backcountry access. Full grain leather upper with waterproof, breathable membranes. 200g PrimaLoft polyester fiber insulation. Comfort Range to -25F/-32C. Compression molded EVA midsoles. This boot features molded nylon arch shanks and a rubber outsole.