EUC Nike Vapor Energy 2.0 Training Backpack in grey. Interior is clean and in great condition. Only minor scuffing on the front (see picture). When you're commuting to and from the gym, keep all your gear conveniently stored in the Nike Vapor Energy 2.0 backpack. Its roll top design with a zipper offers easy access storage of your gear while its durable exterior keeps everything protected from the elements. Keep your smaller items organized with the internal pockets and keep your gym shoes separate from everything in the ventilated shoe compartment.