High Sierra Wheeled Backpack XP 205 Lightweight, ballistic construction with internal compression-molded foam structure Meets airline carry-on size requirements with front day pack removed Three-bags-in-one design allows you to use it as a wheeled bag, a backpack, or you can use the front day pack as an airline carry-on piece Features three interior mesh storage pockets and removable packing cube for maximum packing organization The wheeled piece measures 22 by 14 by 9 inches with a 2,335 cubic inch capacity; the day pack measures 17 by 12.5 by 4 inches with a capacity of 983 cubic inches