Stay cool no matter where your next job is this summer thanks to the Chill-Its Unisex Evaporative Cooling Vest with Zipper Closure. This cooling vest features polymer-embedded cooling technology quickly activates for up to four hours of relief from the heat. Ideal for workers in pulp/paper, iron/steel, vulcanizing, foundries, etc. or for people running, biking, doing yard work, riding motorcycle and more. Each evaporative cooling vests require a soak in water 2-5 minutes to activate for easy starting up. Cooling vest features polymer-embedded cooling technology quickly activates for up to four hours of relief from the heat 100% quilted nylon with mesh side panels for breathable ventilation Four size options: M, L, XL, 2XL Available in gray or hi-vis lime for enhanced visibility Hand wash only for dirt and stains Evaporative cooling vests require a soak in water 2-5 minutes to activate for easy starting up Ideal summer work vest for workers in pulp/paper, iron/steel, vulcanizing, foundries, etc. or for people running, biking, doing yard work, riding motorcycle and more Chill-Its Unisex Evaporative Cooling Vest with Zipper Closure