The Horizon mitt is Auclair-Dry waterproof/Windproof and highly insulated with a Mirafill Silver insulation. It has nice lightweight Taslan Nylon shell for a distinctive look, a velcro tab assuring a proper snug fit and an overcuff. Shell: Taslan Nylon Palm: Polyurethane and nylon Insert: Auclair-Dry Silver breathable, Waterproof, Windproof Insulation: Mirafil Gold Lining: Soft brushed Bemberg 100% Polyester