The Oakley SI Notch Hat Blackcap combines Oakley's trusted SI performance cap with Notch's patented eyewear technology for all-day comfort and a secure fit. Our first collaboration with Oakley, this low-profile stretch cap features durable performance fabric, an embroidered Oakley logo patch, and patented Notch Technology that helps redu
4.8
28 ratings
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It’s an ok hat, but thought it would be a better fitted hat. Over all it’s a hat, that I can use my sunglasses with comfortably.
K
Kenneth · October 13, 2026
Notch doesn't line up with glasses
JAMISON · September 7, 2026
Excellent material and excellent service. Good partnership with Oakley
