Enertor Coupons insoles are worn and endorsed by Usain Bolt and proven to reduce foot and heel pain for over 90% of people. Reduce pain and perform better today! Enertor performance insoles offer shock absorption and protection against impact injuries. Our performance insoles range are used by Usain Bolt and Team Sky. Unrivalled shock absorption, designed by leading podiatrists. Proven to reduce pain and help prevent injuries. ENERTOR Performance Insoles are designed by leading Podiatrists and made with D3O impact protection technology. This patented smart material cushions the foot when moved slowly, but on impact the material locks together to absorb and disperse energy before instantly returning to its flexible state. Enertor Performance Insoles are designed to enhance performance and reduce injury. No matter if you're a runner or play another sport, our insoles can help. Enertor insoles have been working with elite athletes, Our insoles prevent injury and help performance.