Having already tested and used the smallest pack, the Duro 1.5, I was keen to look to the other end of the size scale to see what the 15 litre version had to offer. Features:The first thing I noticed about the Duro 15 was the number of storage options; the pack has no less than 8 zipped pockets and 5 mesh pockets, all of various sizes! The main zipped compartment on the back can easily hold items such as spare clothes,…