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Item # OAK3794

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Item # OAK3794


Designed for those who cycle or play baseball, the Oakley Radarlock XL Straight Sunglasses extend your angle of view when your head is tilted downward,  and they have an optimized fit for helmet use. The Radarlock also features Switchlock technology that enables you to take advantage of Oakley's wide range of interchangeable lenses.

  • Switchlock interchangeable lens technology enables fast, secure interchangeability of lenses for the right application
  • Lightweight, stress-resistant O Matter frame provides durability and all-day comfort
  • Three-Point Fit system holds lens in precise optical alignment
  • Integrated surge ports channel cooling airflow
  • Optional straight Stem geometry for use with baseball, cycling, or other helmeted sports
  • 19mm nosebridge height offers a larger field of view
  • Unobtainium earsocks and nosepads increase grip with perspiration
  • Interchangeable lenses optimize performance in any environment
  • Plutonite lens material filters out 100% of UVA, UVB, UVC, and harmful blue light up to 400nm
  • Polaric Ellipsoid lens geometry supplies optimized peripheral view and side coverage

Tech Specs

O Matter (polycarbonate)
Plutonite (polycarbonate)
Interchangeable Lens:
yes, Switchlock System
Face Size:
Frame Measurements:
[nosebridge] 19 mm
Nose Pads:
yes, Unobtainium
Temple Pads:
yes, Unobtainium
Recommended Use:
Manufacturer Warranty:
1 year

Size chart

Fuji Bicycles


Geometry Chart


Altamira LTD

Seat Tube


Effective Top Tube








Head Tube


Head Tube Angle


Seat Tube Angle


Bottom Bracket Drop


Chainstay Length



44 44.0cm 51.5cm


36.3cm 72.1cm


72.0 deg 75.0 deg 6.9cm 40.5cm 97.1cm
47 47.0cm 53.0cm


37.0cm 74.1cm 13.0cm 72.5 deg 74.5 deg 6.9cm 40.5cm 97.7cm
50 50.0cm 54.5cm 54.0cm 37.0cm 76.0cm 14.0cm 73.0 deg 73.5 deg 6.9cm 40.5cm 97.6cm
53 53.0cm 56.0cm 56.0cm 37.9cm 78.3cm 16.0cm 73.5 deg 73.5 deg 6.9cm 40.5cm 98.6cm
55 55.0cm 57.5cm 58.0cm 38.9cm 80.1cm 18.0cm 73.5 deg 73.5 deg 6.9cm 40.5cm 100.1cm
58 58.0cm 59.0cm 60.1cm 39.7cm 82.1cm 20.0cm 74.0 deg 73.5 deg 6.9cm 40.5cm


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Here's what others have to say...

Avg. ride time: 3h 18m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.


  • Familiarity:I've used it several times
  • Fit:True to size

I am a self-admitted addict when it comes to cycling glasses. Radarlocks have been my favorite style, for several reasons. The fit is perfect, they are the lightest weight (and most well-balanced), the frameless (mostly) and single-lens design provides the best field of view, and they fog less than other glasses I own. These being XL models provide an even greater field of view, protection from wind and debris, and never "leak" light. The tradeoff is that I feel like a total spaceman wearing them, even more so than the standard Radarlocks.

The straight stem is billed as being more "helmet friendly" than the standard stems, but I have never had a problem with any of my Oakleys fitting with my helmets, and honestly do not notice much of a difference.

I had previous XL Straight Stem experience with my Photochromic models, and love those, so I went for these, mostly for the VR28 lens, which is a great trail lens, second only to the VR28 Black Iridium lens in my opinion. I suspected that the Black Iridium lens would be too dark for my taste; I tend to prefer lenses in the 15-18% range, and they are a 10% lens.

The good: Everything above. The VR28 is a great lens tint and really helps with identifying terrain (I am a mountain biker).

The bad: The Black Iridiums are pretty dark, although I have used them on sunny days and on rides where I knew there would be a considerable stretch on the road.

These did not make my starting rotation, which right now is my Troy Lee Racing Jackets with the VR28 Black Iridium lenses in, my Custom Racing Jackets with my Jade Iridium lenses, and rounding out the starting rotation are my aforementioned photochromic Radarlocks in XL straight stem.

I am still very happy with these, and recommend them highly. I bought in winter; I may be more impressed with the Black Iridiums next summer.


Outstanding visibility.

  • Familiarity:I've put it through the wringer
  • Fit:True to size

I'm a road cyclist. I rode a few different pairs of Oaks before I landed on these.

The main point of difference on the XLs is the height of the lens. These are tall enough that when you're in the drops, the top of the frames don't block your field of vision. This was not true of the standard Radarlock lenses.

I also rode a few months with the Radarlock XL photochromic lenses. I found that they didn't get dark enough for my taste in bright sunlight.