Features: Ice Cooling Vest, Cool Shirts for Hot Weather, Evaporative Cooling Vest, Summer Cooling Vest, Cooling Clothes for Instant Cooling Relief, Cooling Clothes for Hot Weather, Cooling Jackets. No electricity or air conditioner needed. After soaking in water and wringing out, the cooling vest feels cold to the touch, helping to lower body temperature when worn. Adjustable fit for all body types, expands up to 50 cm (19.6 in), suitable for adults weighing under 200 pounds. Helps relieve discomfort from heat exposure, prevents heatstroke. Lightweight and comfortable, designed to be worn over a shirt. Usage: Soak the cooling vest in ordinary tap water or cold water for 5 minutes to fully absorb water. Wring out excess water until no dripping, then wear for quick cooling relief. Enjoy cooling comfort for hours. Remains effective for up to 45 hours. Ideal cooling apparel for hot weather. Outdoor use suitable for riding, fishing, running, cycling, climbing, auto repair, production workshops, welding, restaurant kitchens, and other high-temperature environments. Perfect for athletes and construction workers. Specifications: Material: PVC Color: Blue Size: A (up to 90 kg / 198 lb), B (40100 kg / 88220 lb) Note: 1. Please allow 12 cm measurement deviation due to manual measuring. 2. Monitor settings may affect color representation; actual item color may vary slightly. Package Includes: 1 x Ice Cooling Vest