Original Fjallraven Kanken backpack in blue color. The Fjallraven Kanken backpack was born in 1978 in Sweden to prevent postural problems in the back. From that day it has always remained the same, in the original 100% Vinylal indestructible and waterproof fabric and zips that open along the entire length of the backpack to comfortably insert objects inside. F23510-560 blue.