The ortlieb velocity high visibility backpack is a highly reflective radiant backpack thats ideal for the early morning or late night commuter the compact daypack features high visibility and safety in traffic the pu laminated cordura fabric is interwoven with a highly reflective yarn in the dark the entire backpack is turned into a reflector when hit by headlights thus cyclists are being noticed considerably earlier with a volume of 20 litres the velocity high visibility is the perfectl