We also like the top-mounted zip pouch, which we used to stow a smartphone, and the ‘hidden’ side pockets behind the side flaps, which Velcro to the side of the bag. There’s even a ‘secret’ zip compartment at the bottom which houses an elasticated rain cover that fits over the whole bag.

The downside to all the pockets is that there isn’t any one big space for your other things. Forget about packing a gym kit and a packed lunch in this sack.

It’s best to think of this a dedicated ...