Shock absorbing foam lines the skid cups and the tendon pads. The heavy-duty leather is oil tanned. Two inch straps are leather and elastic. This combines with the hook and loop closure to provide a proper fit. The fetlock is protected during hard stops, abrupt stops, and slides. 

Oil tanned leather

Molded skid cups

Shock absorbing foam

2 inch straps

Tendon pads

Elastic straps

Hook and loop closures