Dakine Backpack Heli Pro 20L brighton 2018/19 Unisex Dakine Backpack will be appreciated by any skier or snowboarder. It has a main pocket for a two-way zipper with a compartment for a water bag, which can also be used as a notebook pocket with a maximum size of approx. 33 x 26 cm (15 "). The sports backpack has a vertical snowboard attachment and diagonal ski attachment