The 50L Travel Duffel from Peak Design has a 100% recycled 600D nylon canvas top and a waterproof 900D bottom. The oversized #10 weatherproof zipper allows you to open the bag wide for easy access to your equipment. Designed to hold four optional packing cubes, it has two interior and four exterior pockets for accessories. The removable, padded hand straps close with magnetic clasps and can be reconfigured to wear the duffel like a backpack. The shoulder strap can be used to wear the bag cross-body style.