When trail conditions are at their worst, turn to the Thermoball™ Insulated Shell Jacket for gentle warmth and dryness. DryVent™ technology repels moisture to keep you dry all day. Lightweight Thermoball™ insulation gives you steady warmth that doesn't diminish when the jacket gets wet. The Velcro® cuffs, adjustable hem, and hood with bonded peak provide added even more comfort and protection.