Ice Water Cooling Vest Specifications Materials: Outer Fabric: 100% Nylon Lining: 100% Polyester Side Fabric: 80% Nylon, 20% Polyurethane Cooling Section: PEVA Coating Film, Expanded Polyethylene, Sponge Color: 19. Black Size: F (Fits M to 3L) Retail Price: 23,900 yen Suitable Seasons: Spring, Summer Pump Output: 7.4V 150mA (Max) Flow Rate: 320-370ml/min (Max) Features: ● Slim Design! With a thickness of approximately 8cm, it's easy to wear under fan-equipped workwear or full harnesses. ● Washable! Equipped with a waterproof motor, it can be washed without the hassle of removing parts. ● -20℃ Perceived Temperature! The cold water adheres to the body, providing excellent cooling with a perceived temperature of -20℃ when worn. ● Excellent Durability! Using Cordura fabric, it achieves high strength, essential for workwear, while remaining lightweight. ● 3-Layer Cooling Sheet! The 3-layer structure of PEVA coating film, expanded polyethylene, and sponge provides excellent cooling. Furthermore, it has pockets for inserting ice packs, further enhancing cooling power. ● Free Size With an adjuster buckle, it fits the body perfectly.