The Aircontact Pro series, which has been in the collection for a long time, is full of functional details. The carrying system is both very sturdy and allows the hip belt to swing with the rhythm of your stepsthe walking motion does not make the entire backpack sway. This model introduced for spring 2025 is over 400 grams lighter than last years model, and it now has a more cleverly shaped bottle pocket. The weight reduction has mainly been achieved by updating the outer fabrics of the backpack: the main fabric is now 200 denier (previously 330) ripstop polyamide, and the reinforcement fabric is 500 denier (previously 600) polyester. The flap pocket can be detached and used as a daypack while the previous version had a separate pack. The Pro series offers excellent overpacking possibilities: the volume can be increased by 15 liters from the base configuration, as indicated in the product name. Deuter backpacks are made to endureboth heavy use and large loads. The manufacture