• By
  • Published Dec 2, 2011
<< Back to StoryOpen full size in new window.
Tired of looking down at your cyclocomputer? 4iiii Sport-iiiis gives a constant reminder of current effort relative to your pre-programmed training zones with red, yellow and green lights positioned in the corner of sunglass lenses. $199,

Liz Hichens is the Web Producer of She is an Ironman and marathon finisher and fan of all endurance sports.

Get our best triathlon content delivered to your inbox

Subscribe to the FREE Triathlete weekly newsletter