• 🏃‍♂️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.This is M/L size.
• 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.