ARCTIC HEAT Body Cooling Vest - Child / Teen - Zip Front The Arctic Heat cool vest is ideal for people who require a lightweight cooling vest. Smaller size suitable for children. Suitable for athletes, team sports, people with MS Multiple Sclerosis, industrial workers, can be used underneath clothing. A firm fit is best. Should be worn against the skin, or very close to the skin. Lightweight - approx 1kg Constructed with quality cooling materials Can be re-cooled in minutes Lowers skin temperature Can also be heated in winter Works in hot and humid conditions Will stay cold for up to 2 hours May improve performance Please choose the correct size. The cooling vest should be a firm fit. Measured around the chest. If you are in-between sizes we would recommend the smaller size. Sizing Chart - Chest measurement XXXS - 75cmXXS - 80cm