text.skipToContent text.skipToNavigation

Ironman Triathlon 51

Ironman Triathlon



Add 2nd pair for free!

In Stock

Find a Store


Front side measurements 17.0mm 57.0mm 38.6mm
Measurements are typically printed as three numbers inside your frame. Frame measurements may be different depending on the options selected.
Side view measurements 140.0mm

If you already have glasses that fit well, find those frame measurements to use as a guide. We recommend looking for new glasses within:

  • 1-3mm of your current Lens Width
  • 1-2mm of the Bridge Width
  • 4-6mm of the Temple Length
Sizing Guide



Ready for anything. The IMT 511 style has large lenses framed by dark navy metal which is lightweight and incredibly sleek. This pair will help you to see everything clearly, whether you're hard at work in an office or biking down a mountain.