Abstract: The skate of the present invention includes a foot receiving boot having a substantially rigid shell and sole. A frame is fixedly attached to the sole and includes a forward frame portion and a rear frame portion. The frame, and thus the boot, is adapted to receive interchangeably a wheeled truck for in-line roller skating, a blade carrying truck for ice skating, and a ski assembly for use on snow. The ski assembly includes a ski member and an adapter wherein the adapter is releasably attached to the boot and the ski is releasably connected to the adapter. The adapter includes a bottom surface that facilitates walking when the ski is removed. In another embodiment, each of the wheeled truck, the blade carrying truck and the ski have an integral mounting structure complimentary to the frame and are removably attached directly to the boot.