ElastoFlex System is the Crispi ® “ active ” midsole construction which is the result of the research applied on high performance mountaineering boots , brought into daily use footwear . EFX System provides more effective and progressive flex , more stable walking , improve body posture , elevate cushioning and long-lasting comfort .
BALANCE SUPPORT
Elastoflex shape envelops and sustains the heel improving its stability .
ACTIVE STABILITY
Supported torsional rigidity to improve performance and comfort .
ACTIVE CUSHIONING
Lower density material increases comfort and improves shock attenuation during ground impact .
PROGRESSIVE FLEX
Elastoflex unique construction allows a smoother and more progressive energy transmission from heel to forefoot .