skate backpack with roll closure for long days in the park . the element ground roll top backpack offers you a capacity of 28 to 35 litres and a functional interior organisation. if you don't need the straps for your skateboard, they can be stored quickly and easily, just like the sternum strap. the side mesh pockets offer space for drinks and the 3d airmesh back panel is comfortable and breathable.perfect for long days at the skatepark.