The AlphaCool Original Cooling Ice Vest is designed to keep you cool and comfortable in hot weather and warm working conditions. The unique design of this ice vest allows you to simply slip it on and instantly cool your core temperature to reduce the dangerous effects of heat stress. This ultra-thin cooling vest remains flexible at any temperature for ultimate comfort and temperature regulation because it stays close to your body at all times. Filled with our water-based AlphaCool gel, this cooling vest will stay cool for almost 2 hours and can be stored in either the refrigerator or freezer for instant use. This vest is great for staying cool while working in hot conditions, as well as while doing everyday tasks like gardening, walking the dog, and mowing the yard. Original Ice Vest Features:Instant Cooling ComfortLightweight 3lb DesignCooling lasts 1-2 hoursStore in Refrigerator or Freezer for instant useReusable over and over!Water-based non-hazardous ingredientsAdjustable straps for fitAlphaCool Original Ice Vest Instructions:1) Activate Cooling Vest in Refrigerator or Freezer for 1-2 Hours2) Slip over your shoulders and adjust straps to comfort3) Trim excess strap length if desired4) Enjoy the instant cooling! AlphaCool Original Cooling Ice Vest