The volume of this bag clocks in at 20 litres. The grey colour looks quite neat.
From OnBuy
Fjallraven 23525 Kånken Laptop 17" Sports backpack Unisex Super Grey OneSize
The product is available from £92.12 at international stores.
Trekkinn
Fjällräven Kånken Laptop 17´´ Backpack Grey
This product is also available at 1 unverified merchant.