HyperKewl Evaporative Cooling Deluxe Sport Vest High mandarin collar, front pockets, and zipper closure combine to offer the ultimate cooling and sun protection solution Provides 5-10 hours of cooling relief per soaking; lightweight, durable and washable. Comfortable, quilted nylon outer w/polymer embedded fabric inner, water-repellant nylon liner, and black cotton-poly elastic trim. Custom size (smaller or larger than those listed) is available on request, but there will be a shipping delay. We can ship this product to US and APO/FPO addresses only.