Mens Nike ZoomX Streakfly DR2741 The Most Accurate Heart Rate

The Most Accurate Heart Rate Sensor to Date: a new wrist optical heart rate sensor features a 5-LED system with 4 photodetectors with advanced signal noise removal algorithms

Adjustable Waist

Model Number:  1136678-BCSTL

the peak of Adizero Racing shoes crafted to unlock exceptional performance and break records

Stack Height: 9mm

Mens Nike ZoomX Streakfly DR2741 The Most Accurate Heart RateThe Nike ZoomX Streakfly is a super light speedy racing flat made for mile, 5k and 10k on the road. The real magic lies in the full ZoomX midsole, Nike's lightest and most responsive foam which is also used in Vaporfly and Alphafly. Its light and lands with a soft feel that rebounds your foot. The low stack profile at 32mm to 26mm (6mm heel drop) allows for a more responsive ground feel and snappy toe off. The Streakfly delivers a fast and bouncy