Patent ID: 6968634

Claim:
Apparatus comprising: a foot shaped base layer shaped and arranged to fit under the sole and heel of a shoe of a wearer; an upstanding toe connection member standing upwardly from the base layer at a fowardmost toe end of the base layer so as to stand upwardly in front of the shoe of the wearer; an upstanding heel connection portion standing upwardly from the base layer at a rearwardmost heel end of the base layer so as to stand upwardly behind the shoe of the wearer; two forward side connection members one on each side at a forward location on the side of the base layer so as to be located to a respective side of the of the shoe of the wearer; and two rearward side connection members one on each side at a location on the side of the base layer rearward of the forward location so as to be located to a respective side of the of the shoe of the wearer; and straps connected between the toe connection member, the heel connection portion, the two forward side connection members and the two rearward side connection members for wrapping around the shoe of the wearer for attachment of the base layer to the foot of the wearer underneath the shoe of the wearer; wherein the base layer composes a resilient anti-fatigue mat defined by resilient polymer fibers heat bonded together.