As the foot strikes 1.heel, 2.mid-foot and 3.toe-off on Ryn's seven
layer sandwich structure, its EVA embedded graphite shank see-saws on
the Ryn air tunnel, thus recreating the stable natural foot strike
environment humans were evolved to follow. As a direct result of this
guided motion, Ryn's X-Run footwear: reduces stress on back, hips, knees
and ankles; strengthens and tones the core, glutes, thighs, calves and
back muscles; aligns the body; stimulates the arch and enhances blood
circulation; stabilizes and guides the foot strike and promotes energy
return.
- The sole is constructed of EVA
- The upper is constructed of leather mesh
- Provide the cushioning you want and the stability you need