NK BRSLA M DUFFNike Brasilia Training Duffel Bag (Medium, 60L) Hit the gym with all your gear. The main compartment of this duffel bag has plenty of space for all the essentials you need to squeeze in a workout. The front pocket helps you keep must have items like your phone, wallet or keys close at hand while the coated bottom helps protect your stuff from scrapes, spills and bumps. Adjustable shoulder strap and dual handles give you comfortable carrying options.