The most copied design in scuba diving, the Stahlsac Panama Mesh Backpack is the ?original? design and features two high-density foam padded shoulder straps, extra durable polyester mesh, duffel bag handles and our unique zippered dry pocket inside that combines with a wet pocket outside. The bottom?s built from reinforced 18-gauge PVC nylon to combat the wear and tear of your active coastal lifestyle, and, as a bonus in every bag, we supply a 12? x 12? mesh drawstring satchel for extra stowing utility. Pack up your beach kit and go.