Fit and Design: Softshell/mechanical poly stretch construction Palm: Toughtek with Soundtouch(TM) Cinch at wrist Technology: 240g Heatlock(TM) insulation DryHand waterproof/breathable insert Revolutionary Flexible Fusion(TM) heat panel delivers heat evenly to the entire back of the hand Heat Settings: Green - Low - 6+ hours Yellow - Medium - 4+ hours Red - High - 2+ hours Additional Details: Recommended for: Harsh conditions, extended periods in the cold, going run after run after run Includes thin battery and USB adapter for charging