Unbound 55 Backpack Size:Large A great choice for all-around

A great choice for all-around lightweight alpine climbing use

The newest high efficiency ultralight compact progress capture pulley from Petzl designed for rescue

One External Zippered Pocket Above Shoulder Straps

For many climbers

Unbound 55 Backpack Size:Large A great choice for all-aroundBecome UNBOUND to go bigger for longer! The UNBOUND 55 expands your capacity for more adventurous trips by adding extra volume to accommodate seasonal clothing and gear changes, or more food and water when resupply points are fewer or farther in between. There is simply no better way to measure the effectiveness of a pack design than to send it out on thru hikes. Over the course of 2,000+ miles and an average of five to six months, day in, day out,