☆ Thank you for viewing ☆ ● Product Description ● I'Z FRONTIER PSBP1073 Cooling Big Peltier 3-piece Type Inner Vest & Device/Battery Set ★☆ Other sizes are #PSBP1073OGOB → JUMP!! ★☆ Other series are #PeltierOGOB → JUMP!! ■ The inner vest, which can be equipped with a Peltier device and has become established in the market as a new type of cooling wear, has evolved further and is now available. A 3-piece type with a 7cm diameter big Peltier device exclusively for a new high-power battery. ■ The device contact area cools down to a maximum of about -25°C from the ambient temperature in about 10 seconds after turning on the power, demonstrating a high level of cooling function. By cooling the arteries, it effectively cools the entire body and promotes fatigue reduction during the heat of summer. ■ Three types of materials are used to achieve a high level of hold. It has a sporty look and can also be used as an outer layer. ■ The 320g/m main body polyester mesh material reduces shape loss, and easy maintenance after washing is also attractive. ■ High-level cold-feeling stretch performance material with an elongation rate of about 40% and an elongation recovery rate of about 94% is used in the armpits and the center of the back. It achieves a contact cold feeling coefficient of about 1.75 times the general standard, and also has the properties of nylon material and quick-drying properties. ■ The armpit area is equipped with an adjuster button that reduces the circumference by 4cm, further enhancing the fit. ■ Heat-insulating material is used on the dedicated battery pocket side to block the heat from the battery that is generated during use to a certain extent. ■ The Peltier device can be easily removed. There is no problem with washing the wear as usual. ■ High-performance Peltier elements, also used in the seats of European luxury brand cars, are used. It boasts high quality backed by high-level quality control. Cooling Icing Cool Vest Peltier