Sylas - Matte Black Frame/Prizm Black Lenses V24HP78 There is no rustling effect

There is no rustling effect during movement

Whether you're hiking peaks or pedaling

Main fabric:  94% polyester 6% elastane

The MTB helmet where boundaries don't apply

like your car key

Sylas - Matte Black Frame/Prizm Black Lenses V24HP78 There is no rustling effectOakley 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. FEATURES 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, contrast and detail to