9448-01 Oakley Sylas Polished Black Prizm Grey Color:9448-04 Sylas Polished Clear Prizm Sapphhire the COROS Heart Rate Monitor

the COROS Heart Rate Monitor delivers over 38 hours of continuous accurate heart rate monitoring to track your workouts in distraction-free comfort

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the R7000 cassette is available in a wide range of road and mixed surface ratios

• Large cylindrical lens blocks wind and sun glare

Paired with Prizm Lens Technology

9448-01 Oakley Sylas Polished Black Prizm Grey Color:9448-04 Sylas Polished Clear Prizm Sapphhire the COROS Heart Rate MonitorCODE: OO9448 0157 SIZE: M (133MM) Oakley Sylas is a classic frame with reliable features. Feel secure in this new style that goes above and beyond the standard with upgraded features for all day wear, including a hat compatible design, lightweight frame and Prizm Lens Technology. HAT COMPATIBLE: hat compatible frame and temple design with an increased extended periphery SEE MORE DETAILS: Available with Prizm lenses that are designed to enhance color,