Specification:Item Type: Cooling VestMaterial: PolyesterNumber of Levels: Three Levels, One Comfortable Wind, Two Cool Wind, Three Strong Wind (Shipped Without Power Bank)Applicable Scenes: Indoor Environment, Outdoor Environment, Construction Workers, Outdoor Adventure, Etc.Size: Approx.S: Length 63cm / 24.8in, Shoulder Width 41cm / 16.14in, Bust 112cm / 44.09in, Suitable Height 155-165cm / 61.02-64.96in, Suitable Weight 40-55kg / 88.2-121.3lbM: Length 65cm / 25.59in, Shoulder Width 43cm / 16.93in, Bust 116cm / 45.67in, Suitable Height 160-170cm / 62.99-66.93in, Suitable Weight 52.5-67.5kg / 115.7-148.8lbL: Length 67cm / 26.38in, Shoulder Width 44cm / 17.32in, Bust 120cm / 47.24in, Suitable Height 165-175cm / 64.96-68.9in, Suitable Weight 65-75kg / 143.3-165.3lbXL: Length 69cm / 27.17in, Shoulder Width 46cm / 18.11in, Bust 124cm / 48.82in, Suitable Height 170-180cm / 66.93-70.87in, Suitable Weight 72.5-82.5kg / 159.8-181.9lbXXL: Length 71cm / 27.95in, Shoulder Width 47cm / 18.5in, Bust 128cm / 50.39in, Suitable Height 175-185cm / 68.9-72.83in, Suitable Weight 80-90kg / 176.4-198.4lbFan Color: BlackVest Color: GrayHow to Use:Plug in the power bank can be used (Shipped Without Power Bank)Package List:1 x Cooling Vest2 x Fan1 x Cable1 x User ManualNote:1. Products are shipped without power bank2. Manual measurement, there may be slight errors Air Circulation: Cooling vest circulates cold air through mesh fabric evenly across the body helping to reduce perceived temperature during use. Adjustable Speeds: Body cooling vest offers three adjustable wind speeds to meet different cooling needs during various activities. Work Efficiency: Cool vest helps quickly evaporate sweat and can aid in preventing heat stroke to improve work efficiency in hot environments. Simple Operation: One key starts the exhaust heat dissipation mode with wind quickly covering body surfaces to keep you cool in hot conditions. Multipurpose Design: Air conditioned clothes feature an elastic wrap for a soft comfortable fit that provides cooling and sun protection. Color Default Style Puffer Pattern Solid Seasons Summer Fit Type Fitted Material Polyester Brand Name LiebeWH Fabric Type polyester Sleeve Type Sleeveless Closure Type Zipper Collar Style Collar Less Manufacturer LiebeWH Style Number LiebeWHtr13g6f8v2-13 Item Type Name Vests Collection Name All Lining Description Unlined Pocket Description Slant Pocket Coat Silhouette Type Cape Age Range Description Adult Water Resistance Level Not Water Resistant Item Length Description hip-length Has Coat Weather Resistance No