The GoPro Mission Backpack Duffel Bag 2-in-1 Backpack has an easy-to-carry design that lets you bring anything with you. Okay, it’s not the biggest bag ever, but this duffel backpack can actually hold up to 50 liters. Furthermore, the GoPro Mission Backpack Duffel Bag has a tough, durable design. That means it can stand up to pretty much anything you put it through. Made for short trips and long jaunts across the globe, it has removable ergonomic straps that transform..