For those who want a cheaper backpack than the awesome Osprey Exos that I have posted recently. A decently sized backpack with a build quality better than other Quechua backpacks (+ YKK zippers and 10 year warranty). At only 1.265kg, it gets trampoline mesh back, well padded comfortable hip belt and harness, belt pockets, zipped side pockets and big front pocket (all pockets stretch). The pack has both top and frontal access options.
Compared to the Exos, it is about 10% heavier, the shape of the back makes for slightly less space in the main compartment and the side pockets are not that easy to use when the pack is full. But at £39.99 it is an incredible value.
A version for ladies is available too: https://www.decathlon.co.uk/forclaz-40l-air-lady-backpack-id_8300765.html