Stay cool this summer while doing outdoor jobs thanks to the Chill-Its Rechargeable Phase Change Cooling Ice Packs for the Cooling Vest. These cooling vest packs maintain constant 64 degrees F temperature for up to 2 hours. Ideal for workers in pulp/paper, iron/steel, vulcanizing, foundries, etc. or for people running, biking, doing yard work, riding motorcycle and more. Each phase change cooling pack is adjustable thanks to the hook and loop closures on the waist for flexible fit. Cooling vest packs maintain constant 64 degrees F temperature for up to 2 hours Cooling packs reactivate in as little as 10 minutes Patented honeycomb ice pack design eliminates stiffness Phase change cooling packs are adjustable thanks to the hook and loop closures on the waist for flexible fit Made out of cotton for added comfort while in use Extended vest surface area enhances cooling power Vest sold separately Ideal 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 Rechargeable Phase Change Cooling Ice Packs for Cooling Vest