Osprey Men's Atmos 50 AG Backpack Medium Graphite Grey Tactical The cross section is flat

The cross section is flat enough for in-pocket carry

Fits 30"—46" chest

A versatile backpack for light and fast adventures

Spare o-rings

star gazing and night-vision retention

Osprey Men's Atmos 50 AG Backpack Medium Graphite Grey Tactical The cross section is flatThe Osprey Atmos AG 50 features Ospreys Anti Gravity suspension system for quick drying ventilation and all day comfort. This pack is well suited for weekend excursions or quick overnight forays when you are toting less than 40 pounds. The secret to this pack is Ospreys clever Anti Gravity suspension systema seamless backpanel composed of lightweight mesh extending from the top of the backpanel to the hipbelt that contours to the body to deliver