Feature: 1. Made of high-quality reflective fabric, highly visible in low light to ensure your safety. 2. Large compartment with a separate pocket that can hold a 2L water bladder (not included). 3. Front zipper pocket, two zippered waist pockets, two side mesh pockets keep your belongings organized. 4. Padded mesh back for maximum breathability and heat dissipation, keeping you cool and comfortable. 5. Adjustable chest/shoulder/waist straps ensure a snug fit. 6. With 8L capacity, suitable for outdoor activities such as cycling, camping, hiking, mountaineering, etc. Specification: This backpack is made with reflective fabric to increase visibility and safety at night. The main pocket has a separate pocket designed for your water bladder to keep you hydrated. The straps are adjustable to make you comfortable. This backpack is perfect for cycling, camping, hiking, mountaineering, running and other outdoor activities. Features: Made of high-quality reflective fabric, highly visible in low light to ensure your safety. Large compartment with a separate pocket that can hold a 2L water bladder (not included). Front zipper pocket, two zippered waist pockets, two side mesh pockets keep your belongings organized. Padded mesh back for maximum breathability and heat dissipation, keeping you cool and comfortable. Adjustable chest/shoulder/waist straps ensure a snug fit. With 8L capacity, suitable for outdoor activities such as cycling, camping, hiking, mountaineering, etc. Specifications: Material: Reflective fabric Color: Black / Grey (optional) Size: 21 * 9 * 40cm / 8.3 * 3.5 * 15.7in Weight: 320g / 11.3oz Package List: 1 * Cycling Backpack Package List: 1 * Cycling Backpack