Properties: Caterpillar backpack Zippered external compartments Padded air mesh back panel Possibility to adjust the length of the straps Side open mesh pockets for water bottles Height: 53cm Capacity: 40L Material: polyester Color: black;Properties: Caterpillar backpack Zippered external compartments Padded air mesh back panel Possibility to adjust the length of the straps Side, open mesh pockets for a water bottle Height: 53cm Capacity: 40L Material: polyester Color: orange