More than just a specialized rolling walker with three or four wheels, the wheel walker rollators are specialized walking aids that are equipped with brakes, larger wheels for better maneuverability on uneven surfaces, and usually a seat, a backrest, or a basket. This wheel walker offers better mobility than the standard tradition frame walker and rollators are often the better choice for someone of moderate mobility impairment.

Like most modern walking aids, today's lightweight wheel walker rollators are usually height-adjustable to match the needs of the user. A rollator walker is often the most cost effective and beneficial ticket to better personal mobility, however they require the patient to have the necessary hand strength to safely operate the dual brake handles. With the exception of traditional canes and crutches, the rolling walker has become one of the most common mobility device for elderly or infirm people.