Dakine builds its gloves, like these Sequoia Mitt Gloves, with Pacific Northwest winters in mind! Designed to keep you warm and dry and fit for every function. Details: Gore-Tex insert plus Gore Warm technology, waterproof and breathable, high loft synthetic insulation, Rubbertec palm, nylon/poly with DWR treatment shell fabric, 150g tricot lining, external water resistant zippered stash-heat pack pocket, one hand cinch gauntlet, nose wipe thumb panels, removable storm liner glove - touch screen compatible 280g 4x4 stretch fleece, 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.