American Kargo 3517-0339 Hi-Viz Commuter Backpack PVC backed, micro-weave 600-denier construction with double-needle seams and an abrasion-resistant bottom Adjustable shoulder harness and sternum strap ensures security and a proper fit Sternum strap can be stowed inside of the front pockets or completely removed and stored Front of the pack opens fully with a 270 Degree zipper Includes 15" padded laptop compartment, fleece-lined optics pocket, three molded EVA organizer pockets, six interior organizer pockets, quick-stash side pockets and side organizer pockets