Boy
Girl
Men
Women

Deuter
Nike
Osprey
Patagonia
The North Face

Backpack
Compression bag
Travel bags
Valise

10 litres
100 litres
40 litres
55 litres
65 litres
70 litres
Ecological

Lifestyle
Trekking
Walking

Intensive (more than twice a week)
Occasional (1 to 2 times a month)
Regular (once or twice a week)