Designed to deliver quick, water activated comfort and cooling, the Mobile Cooling Hydrologic vest by Fieldsheer keeps you cool whether you're working outside in high temperatures or pursuing your favorite outdoor activity in warmer climates. Hydrologic's Super Absorbent Polymer SAP fabric interlining absorbs and holds water for lasting comfort and cooling. Saturate the cooling vest in water for 1-2 minutes, wring out excess water, and place over your clothing. The cooling vest utilizes evaporative cooling to reduce core temperatures and maintain a safe, comfortable temperature in even the hottest conditions. Made from low profile, lightweight materials, the vest easily stows away when not in use and is ideal for active lifestyles in hot climates.Fieldsheer Mobile Cooling technology delivers quick, water activated cooling performance without sacrificing comfort. Whether you're working outside in high temperatures or enjoying a relaxing summer hike, the Mobile Cooling Hydrologic Vest provides cool comfort so you can stay outdoors longer. The quilted Hydrologic vest keeps you comfortable in even the hottest conditions by combining robust absorption with quick evaporative technology.Pair this cooling shirt with our Mobile Cooling Skull Cap and Cooling Neck Gaiter for the ultimate cooling combination!Water Activated Cooling:Mobile Cooling Hydrologic Vest:1. Soak in cold water for 3-5 mins.2. Remove excess water from the surface.3. Enjoy! When wearing, turn over occasionally to refresh.Features:Hydrologic Quilted Evaporative Cooling fabric keeps you cool longer, simply wet it and wear it!Sunsheer UPF 30+ protection keeps you safe from harmful UV raysOdorsheer anti-microbial technology prevents the growth of odor causing bacteriaSweatsheer moisture-wicking tech wicks sweat away to keep you cool and dryComfortable and stylish V-neckFront Zipper closureSide knit stretches for complete comfortOptional 3 phase removable Cooling Ice Packs provide even more cooling optionsPhase changing zones include front left and right as well as upper back100% polyester quilted woven fabric85% Nylon 15% Spandex Contrasts100% Polyester LiningUnisex sizing: SM-4XL Fieldsheer Mobile Cooling Hydrologic Evaporative Cooling Vest