More power and more control with less energy

and it packs down so small (about half a pocket) that you won't sacrifice any storage space if you want to bring it with you "just in case

Exclusive AKU Dual Fit System (DFS) technology allows to adjust fit in walking or climbing mode

The innovative DWR treatment

oakley sylas matte black frame prizm black lens Size:ONE SIZE More power and more controlOakley 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