Specification AgeRangeDescription : Adult Brand : AONIJIE BulletPoint1 : 【Lightweight Design】Our backpacks are very lightweight in design, allowing you to pack light when exercising without feeling burdened by weight. Our lightweight backpacks do not reduce the amount of material used or reduce capacity. BulletPoint2 : 【Multiple Compartments】Multiple storage compartments on the backpack, the whole backpack has a large capacity of 10L, you can easily load sports gear as well as other necessary items. BulletPoint3 : 【Stable and Close Fitting】This backpack has a triple displacement adjustment on the chest that allows you to adjust the right amount of elasticity to suit your individual chest size. There are also waist cuffs at the waist for cinching. BulletPoint4 : 【Breathable and Elastic】The material used to make the backpack is of high quality, and the backpack is not only breathable, but also elastic, and will not tighten. Keeping you comfortable all the way. BulletPoint5 : 【Multi-scene Adaptation】This backpack can be adapted to several scenarios, whether it's off-road or mountaineering, or even running and hiking, and with it, make your sports more convenient. Capacity : 10 liters Color : Blue Department : unisex-adult ExternallyAssignedProductIdentifier1 : 0081904024682 ExternallyAssignedProductIdentifier2 : 081904024682 GpsrSafetyAttestation : 1 ImportDesignation : Imported IncludedComponents : Hydration Pack IncludedComponents1 : 1*Hydration Backpack Vest+SD16 IncludedComponents2 : 1*Hydration Backpack Vest+2SD10 IncludedComponents3 : 1*Hydration Backpack Vest+SD16+2SD10 ItemName : AONIJIE 10L Lightweight Trail Running Vest, Hydration Pack for Men Women, Climbing Hiking Mountaineering Hydration Vest (Blue, S) ItemPackageDimensions_Height : 10 centimeters ItemPackageDimensions_Length : 30 centimeters ItemPackageDimensions_Width : 20 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : sports-hydration-packs Manufacturer : AONIJIE Material : Nylon Material1 : Polyester Material2 : 85%Nylon, 15%Spandex ModelName : Running Vest ModelNumber : Running Vest NumberOfItems : 1 NumberOfPockets : 9 PartNumber : Running Vest Pattern : Solid PocketDescription : Utility Pocket ProductDescription : Our packs are race-compliant trail packs to make it easier for you to get around the course. The trekking poles can be hung both externally in the front and externally in the pole bag, which makes the backpack more versatile. Specification: C9116 Colour: Orange, Blue Weight: 248g Net: Polyester Fabric1:85%Nylon, 15%Spandex Chest Circumference Recommended: S: 66-78cm. M: 78-90cm. L: 90-102cm. XL:102-115Ccm.