Spiked running shoes with a rubbery material between the inner and outer soles, and a stiff plate to improve stability, seem to help people move faster
Spiked running shoes with a rubbery material between the inner and outer soles, and a stiff plate to improve stability, seem to help people move faster Spiked running shoes with a rubbery material between the inner and outer soles, and a stiff plate to improve stability, seem to help people move faster