Soak this Ergodyne Men's Non-Rated High Visibility Chill-Its Evaporative Cooling Vest in cold water to enjoy cooling relief and comfort for hours. Constructed with a quilted 100% nylon outer layer and activated polymer-embedded fabric inside. Also has a water-repellent liner and cotton/poly elastic trim. V-neck style with zipper closure. Vest is lightweight, durable and washable. Great for workers in construction trades, maintenance, landscaping, assembly, material handling, freight, warehouse, iron/steel fabrication and more. Available in Lime or Gray, sizes Sizes Medium, Large, X-Large, 2XL and 3XL.