45 x 35 x 20 cm backpack osprey 20L - Daylite At £75.00 streamlined take on the classic rucksack Sopris 45L Ski & Snowboard

The Kanken backpack, made by Fjllrven, is the best selling backpack in the world and was first introduced to the market in 1978. This Swedish backpack is a true classic that will never go out of style

The listed dimensions are roughly 21.5 x 13.5 x 9 inches (55 x 34 x 23 cm), which keeps it just within standard international cabin baggage limits, typically around 22 x 14 x 9 inches (56 x 36 x 23 cm)

These are great options for short trips, grocery runs, and picnics, such as the ICEMULE Recycled Jaunt ($95)

If its not enough with a 40-liter backpack for you, check out larger travel backpacks such as Osprey Porter 65, Osprey Farpoint / Fairview 70, Kelty Koyote 80