Perhaps the most versatile piece of luggage in a traveller's arsenal, a duffel bag (or duffle bag) provides invincible carriage for your gear. Whether you're trekking to a Himalayan base camp or on a last-minute deal to the continent, these super-durable carry-alls are the intrepid globetrotter's best friend. Shop from a great range of duffel bags from leading brands including The North Face, Osprey and Haglofs.