sach foot

Sach foot for adults has 25 % efficiency, specifically the ratio between the energy released and stored. It is in technopolymer and  is cheap, light, durable, and available in various heel heights so people can wear different shoes. SACH is an acronym for “solid ankle, cushion heel” and refers to a compressible heel wedge that provides “pseudo-plantar flexion” after heel strike. The rigid wooden keel provides mid-stance stability.