Abstract: A walker having a frame with a plurality of legs with each leg having a wheel or roller located at a respective free end for providing rolling movement of the walker. The frame is dimensioned to surround the person utilizing the walker. The user's weight can be supported by a seat member, which is releasably attached to the frame. The frame of the walker can be pivotally opened and closed to permit the entry and exit of the user with relation to interior of the walker. Depending on the height and comfort of the user, the support frame is also vertically adjustable.