To optimise this revolutionary system of shock absorption, your shoe is delivered to you with shock absorbers that are adapted to your weight, guaranteeing you record-beating comfort that is far superior to that of any other shoe.
https://en.enko-running-shoes.com/?gclid=CLr2ru_q4NYCFe677QodrxkIzQ
Surely there must be a limit where sprung shoes would become a rules violation?
https://en.enko-running-shoes.com/?gclid=CLr2ru_q4NYCFe677QodrxkIzQ
Surely there must be a limit where sprung shoes would become a rules violation?