About this item

• Running-Optimized Lightweight Gear: This link features only the 5.5L race vest bag! Please note that the water bladder is NOT included. Weighing in at just 8.82oz/250g, this backpack significantly minimizes the burden while you run. For your running endeavors, if you intend to be on the trail for a shorter duration, you'll require a more lightweight pack. Designed specifically for mid to long-distance running.
• Fit You Well: Ergonomic designed vest-shaped bag coming with adjustable waist strap and high elastic chest strap,two sizes for your option.This backpack can be used for more than running and hiking.It is suitable for almost all outdoors activities such as running, riding, camping, marathon, etc.
• Multiple Storage Compartment:Designed with 6 exterior pockets, you can store all tiny items such as vacuum cup, keys, wallet,phone and cash etc. There's ample room upfront for another bottle, wallet, keys, and other small items. The rear storage is big enough for backup bottle, headlamp, buff and etc.
• Hydration System:Bladder compartment with hanging system,Aonijie running vest compatible with 2L bladder (not included);2 Front flask pockets with secure loops,Make it easy to drink and stays balanced when you run.
• Comfortable Fit Vest Pack: Fully adjustable shoulder and chest straps that guarantee the perfect fit, keeping the pack from bouncing while running. Designed with a unique padded back section to allow airflow between your back and the pack.Soft mesh on back and shoulder straps maximize breath-ability.