Cooling Vest Cooling Method Evaporative - Reservoir Color Green Garment Type Vest Features Anti Microbial Treatment Material Nylon Closure Type Zipper Size M Maximum Cooling Time Up to 72 hr Length 25 in High-Visibility No Back Stripe Pattern None Secondary Hazard None Maximum Chest Size 41 in Minimum Chest Size 38 in Cleaning and Care Instructions Machine Wash Includes Battery No Includes Cooling Inserts No