Avenger Mitt Gloves. Insert: Gore Tex Waterproof / Breathable. Insulation: High loft synthetic [ Glove 140 / 280g ] [ Mitt 140 / 280g ]. Palm: Polyurethane. Shell: Nylon / Poly with DWR treatment. Lining: 150g Tricot. Cuff Closure: One hand cinch gauntlet.