Specification Brand : OUNERGY BulletPoint1 : 【Safety and Comfort】Each of our running packs has a reflective stripe design that greatly increases the safety of exercising at night, and a breathable mesh design that absorbs moisture and wels sweat, accelerates air flow, and keeps the back cool. BulletPoint2 : 【Close-Fitting and Non-Shaking】Four-sided elastic fabric, multi-dimensional fit to the body of the athlete, can make the running backpack will not bounce and shake during exercise, so that you can exercise more easily. BulletPoint3 : 【Abundant Storage Space】 Whether it is a kettle, keys, cash, energy gel, clothes, mobile phone, wallet, different sized pockets can meet all your storage needs, not only to hydrate during exercise, but also to replenish energy and help you move forward. BulletPoint4 : 【Size】S/M recommended chest size 78-90cm/30.7-35.43inch:M/L Recommended chest size 90-102cm/35.43-40.16inch:L/XL recommended chest size 102-115cm/40.16-45.28inch,You can choose the right size. BulletPoint5 : 【Widely Used】Our running backpack is your perfect companion in sports, it is suitable for almost all outdoor sports, such as running, marathon, cycling, hiking, mountaineering, etc. It is also the best ideal gift for friends and family who love outdoor sports. Capacity : 5 liters Color : Orange ControllerType : Remote Control ControlMethod : remote Department : unisex-adult ExternallyAssignedProductIdentifier : 7241870682726 FixtureType : Non Removable ImportDesignation : Imported IncludedComponents : 1*running hydration vest IncludedComponents1 : 1*Hydration Vest+SD16 IncludedComponents2 : 1*Hydration Vest+2SD10 IncludedComponents3 : 1*Hydration Vest+SD16+2SD10 IndoorOutdoorUsage : outdoor ItemName : Running Hydration Vest Comfortable & Adjustable Hydration Backpack for Running Hiking Climbing Cycling Hydration Pack Vest (Orange,L/XL) ItemPackageDimensions_Height : 10 centimeters ItemPackageDimensions_Length : 40 centimeters ItemPackageDimensions_Width : 40 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : sports-hydration-packs Manufacturer : AONIJIE Material : Nylon ModelName : C933- ModelNumber : C933- MountingType : Floor Mount NumberOfLightSources : 6 PartNumber : C9103S PocketDescription : Stash Pocket PowerSourceType : Solar Powered ProductDescription : Description:<br> Our lightweight, breathable running backpack will be the perfect companion for your outdoor activities, with an adjustable chest ring that fits perfectly to your body, ensuring that you do not wobble during exercise, so that you can exercise more freely.<br> If you have any questions after receiving our running backpack, you can contact us, we will provide you with a reply within 24 hours, your satisfaction is our first priority.<br> <br> Specifications:<br> Capacity: 5L<br> Fabric: 75% nylon, 25% spandex<br> Suitable for: Both men and women<br> Color: Black, orange, mint green<br> Size:<br> S/M recommended chest size 78-90cm/30.7-35.43in<br> M/L Recommended chest size 90-102cm/35.43-40.16inch<br> L/XL recommended chest size 102-115cm/40.16-45.28inch<br> <br> Package content:<br> 1* running hydration vest<br> ProductSiteLaunchDate : 2023-10-22T14:55:43.905Z Size : Large-X-Large SportType : Running SportType1 : Cycling SportType2 : Running StrapType : Adjustable Style : Modern SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 TankVolume : 5 liters UnitCount : 6 UnspscCode : 53121603 WarrantyDescription : Return and exchange