Compression resistant foam maintains responsiveness beyond 500 miles
Double-layer midsole, upper CQTEXTREM3 and bottom Qu!kFLAMECQT (FLAMECQT), for better energy feedback.
Qu!kBONE DYNAM!C carbon-fiber plate for great propulsion.
Flat RPU outsole for slip-resistance, and C!LK (Carbon Silk) upper for breathability.
Suitable for elite runners in professional marathons.
Impact diffusing foam reduces ground reaction forces