The ortlieb vario ql21 pannier bag is in fact two bags in one the vario can also double up to be a handy backpack so when you come to leave your bike locked up you are able to carry the bag in comfort and style it is the perfect solution for passionate touring and mountain bikers who continue to climb the top at the end of the trail or for a stroll through town by bike or on foot the padded carrying system offers top comfort and the adjustable shoulder and chest straps are individually ad