Warmth, durability, and dexterity define the 509 Fisticuff Trigger Finger Mitt. You can fight us if you think we're kidding. Super warm thanks to Thinsulate insulation on the back of the hand and the palm, combined with a waterproof lining, these short gauntlet mitts get their biggest benefit from the trigger finger, which adds dexterity for reaching the brake when you need it.