WINDCHASER Small bike backpack Drink backpack Waterproof backpacks for hiking Climbing, Cycling, Running, Camping Sports backpack Ultralight bike backpack

["Perfect fit: The backpack has been ergonomically designed to perfectly adapt to the double S-shape of the spine. With the chest strap and hip belt, the backpack can be securely fastened to the body while riding. This ensures that it will not shake, even when turning.", "Ideal hydration system: A hidden H2O outlet for a drinking bladder is equipped on the shoulder strap. You can drink water at any time while riding. Can be used as a hydration pack, suitable for 2 liters of water, special hole design for water bladder (2L hydration bladder not included).", "Adjustable & Comfortable: Adjustable shoulder straps and hip belts adapt to your needs while cycling, jogging, and running. Suitable for men and women, please choose your favorite color, lightweight and durable. Thanks to the suspension system, air can flow from top to bottom while riding. This ensures a refreshing feeling all day long.", "Sporty & Simple Design: This ultralight cycling backpack is sporty, dynamic, and seamlessly integrates function and ergonomics. The large U-shaped zipper opening is convenient for you to take out your items. Multiple storage options in the front compartment. You can store small items like keys, coins in the mesh pocket.", "Reliable safety guarantee: The reflective strips on the shoulder strap ensure a calm and safe cycling experience at night. Ideal sports bag for outdoor activities such as cycling, jogging, hiking, and running, etc. This small backpack can be used as a faithful and versatile companion for your short trips or sports experiences."]