Product details:

AFX FX-89 Helmet The AFX FX-89 Helmet has a badass, low-profile shell design constructed using an advanced thermoplastic poly alloy. Fit: Runs slightly small. Rounding up 1cm compared to the size chart is recommended. For example, if you measure in at 61cm, go with an XL instead of a LG. It has silver rivets, not black as seen in the images and a rubber lip around the edge.