• Lightweight For Running: 5.5L race vest with 2L bladder and 2 pcs water bottles, the backpack weight is 8.82oz/250g 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. Design for middle or long-distance running.
• Bladder: Bladder with 2 Liter volume. Bite and Pull valve, quick release leak proof bladder connector. Water can take it out easily when running. Convenient trail running backpack outfit.
• 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 up front for another bottle, wallet, keys, and other small items. The rear storage is big enough for a backup bottle, headlamp, buff and etc.
• 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.
• Fit You Well: Ergonomic designed vest-shaped bag coming with an 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 outdoor activities such as running, riding, camping, marathon, etc.