Carry 2.5 liters of water, a rope, and your essential gear for high-speed high-altitude adventures with the TRILOGY SKY 15+ skyrunning backpack. Made of highly abrasion-resistant Dyneema®, it features a multi-size harness that's adjustable with a Boa LI 2 cable for a precise fit. This is the trail running backpack for those who traverse the peaks with technical passages and at a fast pace. Designed for both winter and summer use, this small hiking backpack features a ski carrier and compact ice axe loops. The zippered opening allows easy access to its contents, while three pockets ensure neat organization.