Men's Polar Mitt Features: Shell and lining are bluesign Approved Waterproof, windproof, breathable soft shell Genuine goatskin palm, fingers, thumb, and trim responsibly sourced from Leather Working Group Partner Breathable, waterproof, and windproof AquaBloc insert Water-resistant 700-fill DownTek insulation with 85% goosedown and 15% goose feathers Moisture-wicking lining [palm] High-pile fleece lining [back of hand] Extended gauntlet with draw cord closure and wrist strap Nose wipe Cuff pull tab for easy-on, easy-off Leash Technology: AquaBloc is our proprietary waterproof, windproof, breathable technology. Engineered exclusively for hand wear, our seam-sealed AquaBloc inserts allow moisture molecules to escape without letting water molecules in. It is the best of both worlds: let your sweaty hands breath while staying warm and dry. DownTek Water Repellent Down is down that has been treated with water-repellent-nano-treatment. A proprietary application method instead of a bath treatment is used, thereby eliminating waste run-off.