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The M Frame Sweep is where Oakley really separated themselves from the sport sunglass masses. Deliciously curvy and classic, it was both organic and otherworldly. It turned the sports shield market on its head and everyone else had to race to catch up. Even though there are newer designs, the classic M Frame is still around and going strong, here with Iridium lenses.

The M Frame does a number of things really well. Their radically-curved single lens packages super protection in a minimal shape, offering incredible clarity. The three-point fit is both comfortable and firm. The arms stay out of the way of helmet straps without being obtrusive. The Sweep lens is a classic shape that works best on small to medium sized faces. The frame and hinged temple pieces are the usual light, sturdy, flexible O-Matter. The nosepieces and ear socks are Unobtanium rubber. This stuff gets stickier the more you sweat. And if it ever wears out, the Unobtanium pieces can be replaced.

The Oakley M Frame Sweep Iridium is available in two versions -- Crystal Red w/Positive Red Iridium lens and Polished White w/Jade Iridium lens. Positive Red is a high-contrast base with a mirror coating for sunny days; it allows 15% light transmission. Jade has a neutral green base with a mirror coating for sunny days; it allows 17% light transmission. You'll get a soft bag that doubles as a cleaning cloth. All M Frame lenses will fit in an M Frame.

  • O-Matter frame is stress-resistant and ultra-lightweight
  • XYZ Optics ensure distortion-free vision for the entire width of the lens
  • Plutonite lens exceeds ANSI 787.1 for impact-resistance and blocks 100% of UVA, UVB, and UVC light
  • Unobtainium hydrophillic nose and temple pads eliminate slipping
  • Patented three-point fit maintains optical alignment


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Frames and lenses not produced to spec

  • Familiarity:I've put it through the wringer
  • Fit:Runs large

Lenses sometimes fall straight down and out of the frame when I am riding.

This happens when the frame is held in place by my helmet straps.

Oakley must have had a quality control problem at some point. You would be better off getting a product where lenses snap in tighter to frames.

M Frame Sweep Sunglasses

    I've alway liked Oakley sunglasses and purchasing this pair of M Frame Sweep sunglasses is about the 4th pair of Oakley's I've owned. They provide maximum coverage of your eyes against the glare of the sun, fit comfortably on your face, and they look great too.Overall, too, I've been very pleased with the service I've received with BackcountryStore.Com. Great service, good selection, good prices.