Specification Brand : Naturehike BulletPoint1 : 20L LARGE CAPACITY- Naturehike Hydration Backpack has a large capacity of 20L. Storage size: 30*27*14cm/11.8*10.6*5.5in. Backpack size: 48*25*24cm/18.9*9.8*9.4in. You can organize clothes/water bottle/first aid kit etc. Built-in rain cover can be used when it rains to protect your backpack from getting wet. BulletPoint10 : Soft Spout Bite Valve with Magnetic Clip: Lever action on/off bite valve allows for confident, leak-free storage while traveling to and from the trail (sternum strap magnet accessory included). BulletPoint2 : FREE WATER BLADDER- Water Bladder is made of 100% food-grade BPA-free PEVA material, you can store water or drinks with confidence. The size of the water Bladder is 180*250mm, you can store 2L of water, and the diameter of the water tube is 10mm, more water flow through it so that you can have a good drink. Free your hands, run free! BulletPoint3 : ERGONOMIC DESIGN - Unique lumbar protection design relieves your lower back from impact and reduces back injuries. Helmet fasteners hold your riding helmet in place. Exterior lanyard can hold your water cup or other small objects. Side lock design makes your backpack more secure and safe to use. Thickened 3D shoulder straps relieve your shoulder fatigue. BulletPoint4 : HIGH QUALITY MATERIALS - Hydration backpack is made of high quality 210D nylon fabric, composite mesh air holes design makes the backpack more breathable, so you can exercise comfortably in hot weather.YKK zippers don't snag, you can open the backpack as you like. The weight of the backpack is 675g/1.48 lbs. BulletPoint5 : PROFESSIONAL BIKING BACKPACK - Whether you are a professional athlete or an outdoor sports enthusiast, Naturehike Hydration Backpack can be a great sports companion for you to enjoy your sports. Suitable for running, cycling, mountaineering, hiking, skiing and more. BulletPoint6 : SpeedClip Mounting System - One-handed SpeedClip lock-and-go linkage system which can be used with most full-size daypacks. BulletPoint7 : Spine Co-Molded Handle: A comfortable, soft-molded handle makes filling easy, and the co-molded baseplate provides full-length support for hassle-free insertion and removal from the pack. BulletPoint8 : EasyGrip Fill port - Rubberized fill port for easy opening and filling – compatible with 38mm pump filters BulletPoint9 : Fill Port Cover - Molded dust cover to protect the basecamp pour spout from dirt and grime on the trail and worry-free storage while on the trail. Capacity : 3 liters Color : Black Department : unisex-adult ExternallyAssignedProductIdentifier : 4046051170633 ExternallyAssignedProductIdentifier1 : 190207090130 ExternallyAssignedProductIdentifier2 : 0190207090130 GpsrSafetyAttestation : 1 ImportDesignation : Imported IncludedComponents : 1 x Hydration Backpack ItemDisplayDimensions_Height : 3 inches ItemDisplayDimensions_Length : 12 inches ItemDisplayDimensions_Width : 15 inches ItemName : Naturehike Hydration Backpack with 2L Water Bladder, Lightweight 20L Hydration Pack with Waist Protector for Running, Cycling, Hiking, Biking, Raves, Daypack for Adult ItemPackageDimensions_Height : 5.51 inches ItemPackageDimensions_Length : 11.81 inches ItemPackageDimensions_Width : 10.63 inches ItemPackageQuantity : 1 ItemTypeKeyword : sports-hydration-packs Manufacturer : Naturehike Material : Polyester ModelName : YUNDUAN ModelNumber : Gregory NumberOfItems : 1 NumberOfPockets : 2 PackageLevel : unit PartNumber : 145288-5583 PocketDescription : Utility Pocket ProductDescription : Naturehike Hydration Backpack with 2L Water Bladder, Lightweight 20L Hydration Pack with Waist Protector for Running, Cycling, Hiking, Biking, Raves, Daypack for Adult ProductSiteLaunchDate : 2024-12-19T07:22:31.063Z Size : One Size SportType : Hiking, Running, Cycling, Biking SportType1 : Cycling SportType2 : Running SportType3 : Running SportType4 : Cycling SportType5 : Hunting SportType6 : Fishing SportType7 : Mountain Biking StrapType : Shoulder Strap, Adjustable StrapType1 : Waist Strap StrapType2 : Shoulder StrapType3 : Adjustable Style : SPORTS SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 TankVolume : 2 liters UnitCount : 1 UnspscCode : 53121603 WarrantyDescription : 1 YEAT WARRANTY