About this item

• Bladder Suggestion (Bladder NOT INCLUDED): Optional Bladder fits for 1.5 Liter volume, please note that this link only backpack without bladder. Thanks!
• Lightweight For Running:12L large capacity race vest backpack, the backpack's net weight is only 260g/0.57lb lightweight, 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 or hiking.
• Fit You Well: Free Size: fit for chest size 80-115cm /31.5''-45.28''. Ergonomic designed vest-shaped bag coming with an adjustable waist strap and high elastic chest strap, This backpack can be used for more than running and hiking. It is suitable for almost all outdoor activities such as running, cycling, camping, marathons, etc.
• Multiple Storage Compartment: Designed with 8 exterior pockets, you can store all tiny items such as vacuum cups, keys, phones cash, etc. These pockets also allow you to get things directly, which is extremely convenient. The front and back of the backpack are set up for external functions, you can hang hiking poles or pole bags.
• Of course! Please provide the lines you'd like me to modify, and I'll help you rephrase them to avoid duplicate semantics.
• Comfortable Fit Vest Pack: Fully adjustable shoulder and chest straps that guarantee the perfect fit, keeping the pack from bouncing while running. Nylon and Spandex fabrics make it comfortable and allow airflow between your back and the pack. The backpack's back is equipped with elastic ropes, which can better tighten the backpack, resulting in a closer and more stable fit while running.