🏃‍♂️【Lightweight & Comfortable】This 5L running backpack is made of 90% nylon fabric and 10% spandex, weighs just 280g / 9.8 oz, chest circumference: 78-116cm / 30.71-45.67''. that's very comfortable and durable.reducing much of the load during the running. 🏃‍♂️【Multiple Storage Pocket】The water backpack with 9 storage pockets, 2 YKK zipper pockets for store various necessities outdoor. The front chest is equipped with 2x250ML Soft Flask (not included) and 2 energy storage devices. 2 front chest external hangs to attach trekking poles and Tightening design on the back for hanging clothes for clothing are available, to travel light, let you run faster and farther. 🏃‍♂️【Hydration System】The lightweight cycling backpack comes with a 2x500ML Soft Flask (not included). Pull out the rubber nozzle to easily drink water, a fast outdoor drinking that frees your hands, replenishes water at any time. 🏃‍♂️【Comfortable Fit Vest Pack】The running backpack is lightweight and breathable, with breathable mesh padding on the back and shoulder straps, bringing you a cool and comfortable feeling. Fully adjustable shoulder and chest straps that guarantee the perfect fit, keeping the pack from bouncing while running. 🏃‍♂️【Ideal for Outdoor Activity】This running backpack can be used for running and hiking.the practical backpack is designed to accompany you on your trips like marathon, jogging, trail running. a decent Holiday Gift for families and friends who love outdoor sports！ This backpack is suitable for almost all outdoors activities such as running, riding, camping, marathon, etc.
This lightweight hydration pack is a great companion built for multipurpose activities.
Ergonomic designed vest-shaped bag.
5L multifunctional storage design.

Specification:
Color: Blue, Pink, Black
Fabric 1: 90% nylon, 10% spandex
Fabric 2: nylon
Fabric 3: 88% polyester, 12% spandex
Weight: 280g / 9.8 oz
Size: 78-116cm / 30.71-45.67''
Package Content:
1* Hydration Backpack