Osprey Exos Pro 55L Backpack

Nearly 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.

Weight: 0.942 Grams

S/M: 3356 IN 3 / 55 L

L/XL: 3539 IN 3 / 58 L