- Easily convert from a duffel to a backpack
We designed our multisport duffel bag to be the most innovative transition bag in its category. Our new 2018 collection is lighter than ever, include a large side pocket compartment for shoes and a new belt strap. This multisport duffel-backpack is also used by trail runners, cyclist doing cyclo-cross, gym goers, swimmers, winter Sport and cross fit athletes.