Fjallraven Kanken Re-Wool Backpack GreyKnken Re Wool is a special version of the classic Knken backpack, made from recycled wool. With the help of traditional methods, spill from the wool textile industry is transformed into a high quality Melton fabric. The back panel, base, pockets and lining are in G 1000 HeavyDuty S, as is the seat pad that is stored in the main compartment. Robust Melton fabric made from recycled wool. Pockets, back panel, base and lining in G 1000 HeavyDuty S.