DescriptionLining Material : CottonApplicable Scene : TRIPStyle : CasualOrigin : Mainland ChinaCN : SichuanApplicable Season : SpringMaterial : PolyesterClothing Length : ShortType : LOOSEItem Type : Outerwear & CoatsModel Number : GC1101Detachable Part : NoneCollar : O-NeckClosure Type : zipperHooded : NoPattern Type : SolidClosure Type : zipperOuterwear Type : VestGender : MENDecoration : NoneStyle: Sleeveless CardiganCollar Type: Stand-up CollarType of Top Fly: ZipperHooded or Not Hooded: Not HoodedThickness: ThinPattern: CamouflageSuitable Season for Wearing: SummerMain Fabric Composition: NylonContent of Main Fabric Composition: 100%Lining Component: Polyester FiberStyling Details: PrintedClothing Pocket Pattern:ZipperDesign of The Clothing Hem: Round HemColor: CamouflageStandard package: vest, the instruction, a connection cable and two fans . (power bank is not included.)Three different wind speeds fans;Water resistant and easy to breathable perspiration;USB connect to provide long time power supply;Suitable for: travelling, camping, fishing, outdoor activity,other high-temperature environments.How does it work?The air is evenly distributed through the mesh to the whole body. The cool wind will lead the air to circulate within the vest, which will reduce the temperature by 20%. The inner mesh is sweat proof and breathable, and the fan will not come into direct contact with skin. It is more comfortable and safer to wear such a vest in summer.