【 Up to -19°C 】 Workman Vest Wearable Cooler Peltier Vest Ice & Cold Material: [Body] 88% Polyester, 12% Polyurethane [Mesh Portion] 100% Polyester Specifications: [Cooling Plate Temperature] Maximum approx. 6°C Ambient temperature approx. 25°C / Temperature stabilization under no load / Temperature may vary slightly depending on the environment. Brand new, unused item. This is a product with a retail price of 17,800 yen. I bought it as a spare, but I'm selling the unused one because I've only used one. In the unlikely event of an initial defect, it is faster to resolve the issue by contacting the manufacturer directly. Therefore, in the unlikely event of a problem, please contact the manufacturer directly. Workman Largest Area Wind Core Wind Core Ice Peltier Vest 1-second cooling Large plate Wind Core Wind Core Outdoor Commuting to work or school Heat stroke prevention Air conditioning Cooling Peltier element Peltier plate Comfortable Energy saving 2025