Packing for your next expedition and looking for something thats going to increase the odds you come back with all your digits intact? Check out these hand-heaters! Meet OR’s warmest, most durable expedition-grade mitt system for 8000m peaks, arctic expeditions, and seriously cold endeavors… These altitude-oriented mitts provide warmth while keeping weight and bulk to a minimum. The waterproof shells have thick fleece on the palms and synthetic insulation on the back of the hand. The removable liners have the same fleece and loft combination. The fleece provides crush resistant warmth and a secure grip, while the synthetic insulation offers compressible warmth. Leather palms give you a solid connection with your gear in all conditions.