COMPCOOLER Backpack ICE Water Cooling System Includes Mesh Liquid Cooling Vest and Self-Contained Backpack Circulation Unit with 3.0L Detachable Bladder and 7.4V Battery(M/L) Green

The 3.0 -liter water/ice bladder, rechargeable battery and miniature pump within the backpack make this a self-contained and portable cooling system. Perfect for those hot jobs where freedom of movement is necessary. ^^ Circulates 36F-68F (2C 20C) cooled water to four zones on a tubing-lined liquid cooling vest. Reduce core body temperature and the incidence of thermal stress while increasing comfort, safety, focus and endurance. ^^ The 3.0 -liter water/ice bladder is easily detached with quick-connect fittings, filled with water and frozen. This serves as the cold energy source, providing 2-4 hours of cooling performance.

^^ Breathable, zippered, tubing-lined garment is comfortable to wear against the skin. Velcro adjustment tabs provide a snug fit, ensuring maximum thermal transfer. ^^ Additional bladders and batteries can be purchased and used for prolonged cooling periods. This water-based cooling system is both safe to use and environmentally friendly.