Our Altorock 25 litre is a well ventilated and streamlined hiking backpack with capacity for layers, snacks, maps and drinks. The polyester fabric delivers durability while air mesh panels on the back provide cooling airflow. The chest harness and hip belt adjust to stabilise the load and accommodate layers. Easy grab zip pullers make light work of getting your gear in and out on windy summit climbs. Features and Benefits Hardwearing 600D polyester Air mesh back construction to allow ventilated airflow Comfort air mesh backstraps Specifications Dimensions: H:52.0 x W:29.0 x D:18.0 cm Colour: Marlgry/Ebny Guarantee:1 year Material: Polyester 100% Model Number: EU153 4Z1000. Air mesh back construction to allow ventilated airflow Internal security pocket, Internal security pocket & Internal key clip Adjustable sliding chest harness & Adjustable hip belt Easy grab zip pullers 25 litre capacity