WE USE ETPU: EXPANDED THERMOPLASTIC POLYURETHANE FOR THE SOLES OF OUR APX RUNNER. THIS LIGHT AND ADVANCED MATERIAL IS COMPOSED OF 70% AMORPHOUS RESINS FOR STRENGTH AND DIMENSIONAL STABILITY, AND 30% CRYSTALLINE RESINS FOR WEAR RESISTANCE. ETPU ENSURES THE APX SOLES ARE DURABLE, IMPACT RESISTANT, AND OFFER SUPERIOR PERFORMANCE FOR RUNNERS. THE ETPU SOLES ALSO ENHANCE COMFORT AND ENERGY RETURN, MAKING THEM IDEAL FOR SHORT DISTANCE OR HIGH INTENSITY RUNNING.
APX RUNNER LIME GREEN
