Mens Oakley Sylas Sunglasses. New for 2019. the 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. Sylas features a hat compatible frame and temple design with an increased extended periphery. The three point fit is designed for comfort and to hold your eyewear in precise optical alignment whilst the lightweight O Matter™ frame material provides durability and all day comfort. Polished Black frame with Grey Prizm lens; allows 17% light transmission. ideal for bright light conditions and will increase contrast.