Product Details This vest features a captivating design with the V12 logo and an air pump system. The V12 logo is arranged diagonally in a regular pattern with a perfect balance, creating a striking design. This V12 design is unforgettable and impactful. Instead of using down or padding, you can adjust the warmth by injecting air with the included pump or your own breath. The air acts as an insulation layer, blocking out the cold air and providing excellent heat retention and insulation by closely adhering to the body. When not wearing it, you can deflate it and store it compactly. Material: AIR Down 100% Polyester Functions Warmth Uses heat-retaining materials to keep the inside of the garment warm. L: Height 175-185cm, Weight 62-80kg