For the last 12 years, the X5 Goggle has been a staple of the 509 line-up. The X5 Sinister has been the flagship of the 509 line-up, boasting up to 20 colourways per season and pro models from the likes of the most popular names in snowmobiling, including Chris Burandt, Chris Brown, Dan Adams and Keith Curtis. Every year thousands of X5s were purchased and worn by Canadian Snowmobilers.
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