Put a spring in your step with AXIGN Pro Heel Cups. Provides shock absorption, disperses heavy impact, relieve heel pain, heel spurs. Recommended for Athletes. The unique lattice pattern is designed to help divert shock away from the heel upon impact with the ground. Lightweight and tapered to fit well in most shoes. 5mm Heel Lift. Small size is recommended for those below 90 KG. Large size is recommended for those above 90 KG. Recommended to help relieve: – heel pain – heel spurs – knee pain – achilles tendonitis – shin splints Comes as a Pair