Features: Made with high-quality material, lightweight and scratch-resistant. Netted adjustable shoulder straps for good breathability and quick drying. Padded mesh panels on the back for excellent airflow and comfort. Reflective strips for added visibility and safety at night. Adjustable cord on the backpack for fixing your raincoat, cycling jersey, etc. Comes with a 2L water bladder to keep you hydrated all day long. Suitable for cycling, camping, hiking, running, climbing, and other outdoor sports.