A backpack with a Roll Top closure system, 20 lt. Features - A completely waterproof roll-top closure system - A waterproof inner lining (IPX5, it stands up to heavy rain and extreme conditions) - A front pocket with a hook for a key ring - 2 side pockets, 1 with a zip and 1 elastic mesh pocket - An inner pocket for a laptop (for devices up to 17 inches) - A padded back for greater comfort - Ergonomic padded shoulder straps for greater comfort - A handle for easy carrying - A foldaway waist safety strap. - Reflective inserts for improved visibility Materials - Polyester 600D PU and PU laminated polyester - PU inserts and fluorescent yellow reflective piping - Matt black reflective material - Made in line with the REACH recommendations