revert510 wrote a review of MET Estro Helmet on May 16, 2013
Got this from CL for a steal. My head measures 58 cm and the large fits well. I like the adjustment in back, and the chin strap is easy to manage. Overall a very good fit. Helmet feels light and doesn't slosh around on my head. I can't tell if I'm more aero or not, but I like to think I am.