this is the 2010 model and its a -10

Boasting an enhanced fit

Differential: 8 mm

The compact

Lightweight impact-resistant shell design with durable Ultra-light hollow wire frame multi-layer mesh covered foam padding and adjustable soft leather chin pad for comfort

New SportStar Victory T-Rex Hurricane Gel Chinstrap Size Small/Medium Blk/Wht -8.5 this is the 2010 modelVictory chinstraps cover more of your jaw and fit deeper SportStar chinstraps are the choice of thousands of college and NFL players Choose the color for the shell, foam, straps, and shock stop. Regular fit comes with Hurricane Gel pad Fits any style of helmet EXCEPT SpeedFlex or Xenith, and works best with the lower jawlines of newer helmets.