High Sierra Frank Duffel Large main compartment with U-shaped zippered opening for easy access. Two top-loading end compartments; one with CD/MP3 player pocket and headphone port, the other with a ventilation grommet and PVC-lined wet compartment that rolls-up when not in use. Zippered front slash pocket is great for quick-access items like ID, keys or money. Detachable/adjustable shoulder strap with non-slip pad. Two mesh water bottle pockets.