Fully insulated, waterproof, windproof, breathable, long-gauntlet chassis 3MÖ ThinsulateÖ insulation; 250gm in top hand and thumb, 150gm in palm Waterproof, breathable HiporaÖ membrane liner Waterproof ClarinoÖ palm for durability and grip Strategically placed 3MÖ ScotchliteÖ retro-reflective graphics Fleece lining design wraps around fingers for added warmth and dexterity Adjustable wrist and cuff. MITTEN S20 PIVOT BK LG