Oakley SI Holbrook Tonal Flag Collection Sunglasses Matte Black frame Grey Lens. The Matte Black frames of the Flag Collection are highlighted with American flag emblems. They honor the history and heritage of a nation founded on freedom and salute those who protect that freedom. 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 perfect for those who seek equal parts performance and style. Lightweight O Matter frame material with Square O metal icon and front rivet accents. 6 base lens geometry with high definition optics (HDO). Specifications for Oakley SI Holbrook USA Flag Collection Sunglasses: Manufacturer: Oakley SI Application: Outdoor Temple Length: 137 mm Age Group: Adults Fit: Standard Gender: Male Frame Color: Matte Black Lens Color: Grey Photochromic: No Temple Design: Wire Spatula Polarized: Yes Glasses Type: Not Specified Lens Material: Plutonite Frame Material: O Matter Distance Between Lenses: 18 mm Frame Type: Lightweight Lens Shape: Square OTG: No Condition: New Effective Lens Diameter ED: 63 mm Base Curve: Base 6 Features of Oakley SI Holbrook USA Flag Collection Sunglasses High definition optics Lightweight and durable frame Package Contents: Oakley SI Holbrook USA Flag Collection Sunglasses Oakley SI OO9102-E555: Holbrook Tonal Flag Collection Sunglasses Matte BlackFrame Grey Lens