Product Description Cool Aids Hybrid Cooling Vest : The Cool Aids Hybrid Cooling Vest is a comfortable and durable design and is easy to activate. Simply place the included cool packs in a freezer for 20 minutes, or place in the refrigerator for 40 minutes, and then place in the inside pockets of the vest for hours of cooling relief. The Cool Aids Hybrid Cooling Vest is available in sizes S, M, L, XL, XXL and XXXL.
