Lixada Bike Backpack 15L Bicycle Shoulder Backpack Waterproof Breathable Rucksack with Rain Cover

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15L cycling backpack, made of ultralight water-proof nylon fabric.
Special hole design for water bag (NOT included).
Adjustable shoulder strap, chest strap and waist strap to suit your need. With whistle design at the chest strap.
Ergonomic design at the back for maximum breathability and comfort. Reflective strips for secure riding at night.
Rain cover included and mesh cover to position your helmet. Suitable for outside activities like cycling, rock-mountain climbing and mountaineering, and the like.