Reflect 360 rucksack the proviz reflect360 rucksack is designed to be an extremely comfortable fitted rucksack that fits closely to your body so that you are completely stable under use using 100 ce en 20471 certified reflective material the proviz reflect360 rucksacks millions of integrated reflective beads helps other road users to identify your position on the road at night the rucksack includes many added extras including aquaguard zips adjustable waisthip strap adjustable chest strap