Features: 1.Multi?layer cushion compartment, can accommodate 14?inch computers, also suitable for cameras, tablets, e?readers, tools, gloves, etc. The inner mesh pocket separates small items. 2.Strong, waterproof nylon structure, with a reinforced PU body and cover, it can maintain its shape even when it is empty. 3.Removable and adjustable non?slip chest strap. High?quality electroplated zipper, easy to open and close. With padded and fully adjustable riding straps. 4.The streamlined hard shell design can effectively reduce wind resistance. The back of the bag is a thick breathable cushion, which will not make your back feel hot after long?term use. 5.The surface of the backpack is designed with reflective materials, which can improve the alertness and safety of riding at night. 6.This bag has a wide range of applications, it is suitable for outdoor camping, hiking or traveling. Specification: Item Type: Cycling Backpack Material: PU Hard Shell Features: Waterproof Suitable for: Outdoor cycling, camping, etc.