The Marmot Randonnee Mitt Mens is the premier ski mitt made with the finest quality materials. Tough leather reinforcement, Thermal R insulation and the industry's best GORE-TEX insert have made the Randonnee one of Marmot's most beloved mitts among skiers and guides.The warmth comes from the Thermal R Insulation. Thermal R Eco is Made of 100% recycled fiber, a unique combination of multi-channel and hollow fibers designed to provide maximum performance and comfort. The Randonnee Mitt is also waterproof and breathable thanks to it's Gore-Tex insert, which keeps hands drier and warmer longer. The Marmot Randonnee Mitts Mens are the industries premier ski mitten.