Canted lateral wedge prevents supination related instability.

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.

terrain responsive lug depth adapts to surface hardness variations