Sunglass Hut offers the Oakley Men's Enduro Sunglasses in Green/Grey orShaun White Green/Grey, model no. OO9223, for $49.99 with free shipping. That's $16 under our November mention of a different color and the best price we've seen for any color. (It's also a current low by $10.) They feature iridium lenses and 100% UV protection.
REI Outlet offers the Oakley Men's MPH Dispatch II Sunglasses in Matte Black/Gray for $68.73 with free shipping. That's the lowest price we could find by $11. Features include interchangeable metal icons, O Matter nylon frame, 3-point fit, and UVA / UVB / UVC protection.