Dakine builds its gloves, like these Omni Mitt Gloves, with Pacific Northwest winters in mind! Designed to keep you warm and dry and fit for every function. Details: Gore-Tex insert, waterproof and breathable, high loft synthetic insulation, Rubbertec palm, nylon/poly with DWR treatment shell fabric, 150g tricot lining, one hand cinch gauntlet, internal heat pack pocket, two year limited warranty. All Dakine non-leather gloves can be machine washed. Gently press out excess water before hanging to dry. Dakine don't recommend turning the gloves inside out for cleaning. When possible, allow gloves to dry at room temperature, rather than placing them near a heater or in a dryer as this may damage the materials. Material: Gore-Tex, Rubbertec.