• Lightweight For Running: 2.5L race vest with 2 pcs 500ml water bottles, the backpack weight is 4.06oz/115g super light, reducing much of the load during the running. When it comes to running, the shorter you plan to spend on the trail, the lighter pack you'll need.
• Fit You Well: Ergonomic designed vest-shaped bag comes with an adjustable waist strap and high elastic chest strap, three sizes for your option: Size:S/M suitable for 30.3-33.8 in, M/L suitable for 32.8- 36in, L-XL suitable for 40-45in
• Multiple Storage Compartment: There are enough pockets and pouches to store items like cell phones, keys, thin raincoat, 500ml soft water bottle, hydration bladder, and other items for outdoor activities.
• Comfortable Fit Vest Pack: 75% nylon,25% spandex.Completely chafe-free for comfort while running, shorter length delivers a close fit. Soft mesh on back and shoulder straps maximize breath-ability.
• Wide Applications: Aonijie running backpack aims to accompany your trip of Running, Marathon, Cycling, Jogging, and etc. Firmly shape your body without reducing too much volume and slowing down.