Taking inspiration from each branch of the Military, the Oakley SI Armed Forces collection celebrates the heritage of our Nation's Military. Oakley SI has an unbreakable bond with the Armed Forces for over 35 years innovating and designing products specifically for the needs of this community. Holbrook is a timeless, classic design fused with modern Oakley technology. Inspired by the screen heroes from the 1940s, 50s and 60s, this design epitomizes the spirit of exploration and adventure. The iconic American frame design is accented by metal rivets and Oakley icons, ideal for those who seek equal parts performance and style.