Aonijie Hydration Vest Pack Backpack 5L Marathoner Running Race Hydration

• ✅Lightweight For Running:5L race vest, the backpack weight is 190g/6.7oz 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.
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Only backpack, the water bladder is not included! Bag size ( L x H ): 28 x 43cm / 11.02 x 16.93 inches， Only 6.7oz Running Hydration Pack Super Light. Chest circumference: 65-135cm, 25.59''-53.15'' Applicable: unisex This product is compatible with 1.5L water bladder (Optional) Breathable Running Hydration Vest Men's Women's. Our hydration backpack weights 0.51 pounds and is super light, reducing much of the load during the trip.When it comes to hiking, the shorter you plan to spend on the trail, the lighter pack you'll need. Designed with 9 exterior pockets, you can store all tiny items such as vacuum cup, keys, phone and cash etc. These pockets also allow you to get the things directly, extremely convenient Suit For: Trail Running, Road Running, Night Running, Cycling, Hiking, Climbing Smooth and anti-rust race vest zipper. Toughness and durable fastener.