Zs2 Overlook 500 Chstpck OlvNeck Strain And Visibility Are Always A Compromise With Chest Packs. The Overlook Resolves Both With A 4 Point Harness Attachment And Sleek, Tapered Face. And, With This Kit, You Can Choose From Two Back Options, A Flat Mesh Back And A Full 550 Cubic Inch Back With Net Holster. And, All Of The Great Zero Sweep Features Come Along For The Ride. Two Zero Sweep Tm Retractor Stations (Great For Nipper And Floatant Attachment), Ambidextrous Hemostat