- Large storage space of a suitcase
- Ease of mobility similar to a backpack
- Security is less of an issue
- Great for sports equipment like climbing and diving
- Expandability is important
Duffels may not be as secure as hard-shell suitcases, but modern design do offer basic levels of protection for your belongings.
Some duffels are designed with wheels and trolley handles. Shoulder straps also allow the duffel to be carried backpack style or by a single shoulder strap.