The phrase "green jersey" usually refers to an award or honor given to the best cyclist in a race. It represents excellence and being the fastest cyclist. Full definition
Asked at a practice if he had any surprises for Michigan, he thought for a moment and said, «Yes, I think we'll warm up in green jerseys and then change into blues.» (si.com)
Peter Sagan was docked 30 seconds and 80 green jersey points for the incident. (sbnation.com)
Green / Polka Jersey Prize Money: $ 300 is awarded to the winner of green jersey at the end of every race day from 2nd stage to 21st stage. (totalsportek.com)