High-end rucksack for multi-night camping, long trekking and rambles around the fells where additional packing space a requirement Deuters Aircontact Ultra 505 SL a lightweight pack made with bluesign certified body fabric, to expertly balance comfort and weight, allowing you to devote more energy to the trail. Constructed with Deuters Aircontact back system, the back of the backpack covered in Air Spacer mesh which performs three functions in one to save weight delivering comfort, cushioning, and ventilation to allow you to press on further with ease.The innovative Clip Loop back length adjustment offers a tailored, comfortable fit, while mobile VariFlex ECL hip fins and an ergonomic lumbar pad distribute the load effectively. Moreover, the hardwearing ripstop body fabric made from performance fibers built to withstand the rigors of long-distance hiking.