Nike messenger in the Senna series is a super nice messenger in water-repellent nylon. Both front and back, the bag has a practical zipper pocket for the things you want easy access to. The bag has 2 compartments inside, which are separated by a narrow zipper pocket. In the lining there is a zipper pocket and on the opposite side an open pocket. Comes with a long adjustable nylon shoulder strap. Keeps dry by moderate rain over a short period or light rain over a longer period. Water column pressure >5000.