Powerstrap: 45 mm strap - Power Lock

Throw on over a polo shirt when you need an extra layer

sweaty activities like ski touring and cross-country skiing

When weather conditions are variable

shoulder area and hood

oakley flight deck l matte black prizm snow sapphire iridium Color:prizm snow sapphire iridium Powerstrap: 45 mm strap -Inspired by the helmet visors of fighter pilots, the large sized fit of Flight Deck maximizes your field of view so you wont miss a single target of opportunity. It was engineered for seamless compatibility, giving you the flexibility to choose the helmet that fits your style. Designed with Oakleys Ridgelock Technology, changing lenses is quick and easy while still allowing for a complete lens seal to prevent harsh conditions from penetrating into