Hiking backpack Lithium Pro has a perfectly ventilated padded back. It features 1 front and 2 side stretch pockets, loops for trekking poles, a flap with outer and inner pockets, and a zippered pocket on the waist belt. Of course there is an integrated raincover, adjustable waist belt and compression straps on the sides. The back system is padded with EVA foam and the U-frame ensures proper good load transfer and maximum freedom of movement.