Cooling Vest, Cooling Method Evaporative - Reservoir, Color Green, Garment Type Vest, Features 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