Don't put up with cold hands anymore. The NRS Hot Mambas give you the warmth of 5-mm neoprene while letting you have direct contact with your paddle shaft. Hot stuff. Mambas are Great for boaters who want to have direct contact with their paddles while keeping their hands warm. An inside pocket will easily accommodate a standard hand warmer packet and comes with a small bag to keep it dry. Thick, 5-mm neoprene, with titanium laminate adhesive, provides outstanding insulation. Nylon-coated neoprene resists abrasion while the raw neoprene top surface prevents evaporative cooling. The cuff snaps give you the option of rolling the cuff up for easier access or down for Additional warmth. One size fits most.