Boy
Girl
Men
Women

Baby-carrier
Backpack
Bivouacking

15 litres
20 litres
21 litres
22 litres
25 litres
30 litres
40 litres
45 litres
50 litres
55 litres
Ecological

Climbing
Mountaineering
Nordic walking
Ski
Trekking
Walking

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