High Sierra Carry-On Drop-Bottom Wheeled Duffel It's three bags in one! Use it as a wheeled upright, a duffel or as a backpack. Special built-in, high-density foam structure helps maintain the bag's shape while minimizing weight. Molded foot allows duffel to stand upright and also acts as a handle for easy lifting. Drop-bottom compartment, with hold-down straps, is perfect for shoes or bulky gear. Large main compartment, with front-load access, expands 2.5 for additional packing capacity."