This is a cycling backpack, 10l bicycle backpack waterproof breathable bag for outdoor travel hiking climbing biking running skiing. Features: water repellent and tear-resistant nylon fabric. Fine quality zippers, easy zip and unzip. The breathable padded back panel, adjustable sternum strap.

The Waterproof Sports Backpack is the 10L Mountain Bike Backpack, the ultimate waterproof and tear-resistant nylon fabric. It can be used as a drinking bag, suitable for 2 liters of the water reservoir, unique hole design for water bag (not include 2L drinking bag). It has Adjustable shoulder straps and waist straps to fit your cycling, jogging, running needs. Suitable for both men and ladies, please choose your favorite color, lightweight and durable. 

This Portable West Biking Ultralight Backpack Bicycle Bag ultralight is sporty, dynamic, start, and seamlessly based on functionality and ergonomic ease. It is a reflective strip designable bag. The reflective strip on the shoulder strap ensures quiet and safe cycling. Ideal sport bag for outdoor activities such as biking, cycling, jogging and running, etc. This small backpack can be used as a faithful and versatile companion for your short trips or your sporting experience.

Specifications:

• Brand Name: West Biking
• Model Number: YP0707210
• Certification: West Biking
• Material: Nylon
• is_customized: Yes
• Function: Foldable
• Item Type: Backpacks
• Name cycling backpack, travel backpack,
• Color: Black-Gray/Black-Green/Black-Orange / Black-Yellow
• Capacity: About 10L
• Weight: About 280g
• Size: About 40*26*9CM
• Scenes: Cycling, Climbing, Travel, Hiking
• Feature: Large ability, Breathable, Waterproof
• water bag not included in this model