SFX features the exclusive ergo-motion technology that allows the foot to move more naturally and freely on the court without sacrificing the durability and support needed by the most demanding tennis players.
Durability and traction: exclusive Michelin rubber formulation for high abrasion resistance. Tread pattern designed to offer excellent grip and durability on every surface. Flex grooves cut into the outsole promore natural movement.
Kompressor System: offers heel cutioning and shock absorption.
ERgo-motion midsole: a dual material midsole to equalise pressure points.
Ergo-motion insole: a multi-layer insole adapted to the foot's anatomy.
The perfect synergy between foot ergonomy and court motion.