Kinetic heat return system amplifies your body heat and reflects it back to you. 200g Thermolite Micro plus 100g heat lock. Micro fiber/ripstop shell with techhide palms and Zippered heat pocket. Dry hand waterproof/breathable. Heat wave plus lining with one-handed wrist and CUFF CINCH. Microfiber, Ripstop Machine Wash WAVES OF HEAT - Kinetic heat return system amplifies your body heat 4-5 degrees, and reflects it back to you for 20% more warmth WATERPROOF, BREATHABLE INSULATION - Fully lined with 200g Thermolite 50g Heatlock Insulation with a Waterproof, Breathable Dryhand insert that provides warmth without excess bulk. DURABLE, COMFORTABLE - The Microfiber Ripstop Outer Shell and LeatherTek Palm ensure a comfortable, sure grip and will keep your hands warm and dry in wet and windy conditions ZIPPERED POCKET - Integrated zippered pocket is large enough to fit a hand warmer, keys, or money without compromising flexibility and dexterity. KEEP THE COLD OUT - One-handed wrist cuff cinch keeps the cold out and ensures a snug fit​​