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the respiratory exchange ratio (RER) (which indicates the type of fuel- carbohydrates or fats- being utilized by the body)
- soft mesh on crown breathes freely
the industry standard soft brim run cap
The athlete wears a mask connected to the metabolic cart
and is recommended by sports doctors
Men's Nike Zoom Fly 6 use_performance_medcushion the respiratory exchange ratio (RER)The Zoom Fly 6 is with you every step of your run. Lighter than the Zoom Fly 5, its responsive ZoomX foam adds energy return to each stride, while a carbon fiber plate helps propel you to the finish line. Benefits ZoomX foam, Nikes lightest and most responsive foam, delivers our most energy return with every stride you take. Full length carbon fiber plate increases efficiency and responsiveness. Thin rubber outsole is lightweight and grippy on the
US$ 499.50
US$ 499.50
US$ 349.50
US$ 499.50
US$ 349.50
US$ 699.50
