AONIJIE Running Hydration Vest Backpack for Women and Men Lightweight Trail Running Backpack 5.5L Gray

★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. ★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. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.