When you're eyeing multiple summits in a single push, the Black Diamond Pursuit 25L becomes your essential alpine partner, engineered specifically for mountaineers who move fast and light through technical terrain. This alpine daypack excels at multi-summit objectives with its custom BD Continuous Fit Harness that contours seamlessly to your body during dynamic movement, while the innovative on-the-go Z-pole storage system lets you deploy and stow trekking poles without breaking stride on challenging approaches. The quick pull compression system adapts as your gear load changes throughout the day, keeping everything locked down whether you're carrying full winter layers at dawn or stripped down to essentials by afternoon, and the water-resistant main zipper protects your critical gear when weather turns. Built tough with fully recycled materials yet weighing just 720g, this mountaineering backpack transforms ambitious peak-bagging days from gear battles into pure mountain flow.