Nike Brasilia Training Duffel Bag Brand New! Hit the gym with the duffel bag made to hold all your gear. The ventilated side compartment separates your smelly shoes from your post-sweat-sesh clothes. Get quick access to your phone or keys with the zippered front pocket when you're on the go. Toss it in your locker, next to the power rack and, when you're done, in your car—the coated bottom helps shield your things from bumps, scrapes and spills.