Deuter Aircontact Ultra 50+5

"The Aircontact Ultra 50+5 from Deuter is the ideal companion for adventurous people who value both comfort and functionality. This versatile backpack is perfect for activities such as climbing, bouldering, hiking, mountaineering, speed hiking, running, traveling and trekking. With a volume of 50 liters, which can be expanded by a further 5 liters, it offers enough space for all your equipment."
"The innovative Aircontactsystem with Air Spacer Mesh ensures optimum ventilation of the back, while the round profile frame made of permanently elastic spring steel provides stability. Thanks to the Clip & Loop-backpack length adjustment and the ergonomically shaped hip fins, the backpack adapts individually and ensures optimum load distribution. The Active Fit shoulder straps with Soft-Edge closures increase carrying comfort, while the Pull-Forward adjustment and side compression allow for easy adjustmentu00f6glichen."
"The backpack is equipped with numerous practical features, including a height-adjustable and removable lid, a hydration system compartment with provision for a hydration bladder up to 3 liters, as well as an SOSlabel with emergency numbers and a signal whistle for emergencies. The mesh sides and front pockets as well as the adjustable fastening loops offer additional storage space and flexibilityu00e4t. Made from robust ripstop material, the Aircontact Ultra 50+5 is ready to withstand the challenges of any long-distance hike"