Protective side feet, crash-guard wheel housings and skid guards provide protection over the long haul. Integrated 4-Point stbility system prevents tipping when luggage is packed and standing upright. Top and side carry handles. Expansion feature. Extension handle stops at 38" and at 42.5" for an extra-tall user. Self-repairing nylon coil zippers. Lightweight durable frame. Built-in mesh pocket for electronics, power cables and cords.