From the VeloNews.com report by Kathie Reid:
"Actually he was wearing an ultraviolet radiation dosimeter, AKA: a UV collection device. Made by Biosense in Germany, the device absorbs UV rays through a film that is sent back to the German lab for data analysis to quantify Louder's UV exposure at the race."Read the Complete VeloNews.com article and check out more Cycling Action photos HERE.