The Zulu backpack is impressive in terms of technology, featuring the CrossFlo carrying system with perfect ventilation that prevents heat buildup. While other backpacks can feel heavier as the day goes on, the Zulu 30 remains airy and light even on the way back from the summit, just like in the first few steps. The CrossFlo Dynamic Transfer carrying system creates a space between the wearer's back and the backpack itself, providing unique ventilation for enhanced comfort in any climate and under various conditions. It also includes a holder for sunglasses on the shoulder strap. Category: Trekking backpack. Equipment attachment options: Compression straps. Backpack weight: 1100 g.