Boot has a rigid and inflexible sole with a tilt point or line under the heel and a firm rigid bond around the foot and leg to use the wearer's weight for faster walking

摘要

The boot (1) has a section (3) of the sole under the heel forming a point (P) or line, which tilts on the ground (U) when the sole surface (4) is at an angle during walking. The upper (6) is bonded rigidly to the sole, and extends upwards from the sole to a given height (H2) over the ankle bone to hold the foot and lower leg firmly and rigidly in the boot around them. The sole is of a rigid and inflexible plastics material.