The Deuter Aircontact Core 70 + 10 trekking backpack is based on an adjustable carrying system that provides adequate stabilization and efficiently drains excess moisture. The whole thing will be perfect for multi-day holiday trips, allowing you to properly distribute the weight of the load you are carrying.Key Features: Improved Deuter Aircontact carrier system; Durable "Y" -shaped steel frame; The frame provides better weight distribution and its stabilization; The ability to smoothly change the height of the shoulder straps thanks to the VariSlide solution; Back cushions lined with Air Spacer mesh; A wide channel between the cushions provides adequate ventilation; Anatomically profiled ActiveFit shoulder straps made of soft foam, padded with pleasant to the touch material; Stabilizing straps over the shoulders; The design of the backpack in the lumbar region transfers the load to the pelvis; Softly padded wide waist belt; Hip belt made in the VariFlex ECL technology ensuring the swinging movement; Adjustable chest strap with whistle; A spacious main compartment secured from the top with a flap; Access to the main compartment from the top, bottom and front; Front access secured with a J-shaped lock; Possibility to divide the main compartment into two parts;