The altura morph backpack doubles up as a pannier for a multitude of uses on and off the bike it is made from hardwearng tarpaulin fabric that is strong and durable and is combined with rixen kaul pressure fit fittings that makes it stable when mounted on to the bike and the angled mounted gives extra heel clearence the altura pannier bag has concealed pannier fittings behind the front panel and for when you are not on the bike the bag has comfortable shoulder straps with airmesh padding for