Dakine Boy's Yukon Mitt SHELL: 54% POLYESTER/46% POLYAMIDE; PALM: 100% POLYURETHANE; LINING: 100% POLYESTER Imported Shell: Nylon / Poly with DWR treatment Insert: None Insulation: High loft synthetic [ 140g / 350g ] Palm: Polyurethane Cuff Closure: One hand cinch gauntlet