Attached adjustable hood that rolls into collar

and whipping winds

offering a wider range of uses

Top zippered pocket with reflective attachment points

and energy bars

Osprey Exos Pro 55 Backpack Size:Medium/Large Attached adjustable hood that rollsNearly a pound lighter than the Exos 58 and featuring a more fine tuned adjustment system, the 55 liter Exos Pro is the most comfortable ultralight thru hike backpack in its weight class. A highly ventilated AirSpeed backpanel supports light loads with ease while maintaining maximum airflow across your back, making it an ideal pack for your most long distance endeavors on the Appalachian Trail, Pacific Crest Trail and beyond. Features Removable,