The 35L Travel Duffel from Peak Design is a duffel-style bag that has a top made from 100% recycled 600D nylon canvas and a waterproof 900D bottom. The long oversized #10 weatherproof zipper allows the bag to be opened wide so you have ample room and easy access to equipment. The bag is designed to hold three optional packing cubes and there are two internal and four external pockets for accessories. The padded hand straps close with magnetic clasps, and the removable straps can be reconfigured to carry the duffel like a backpack. The strap can be used over the shoulder or cross-body style.