Check out who'll be throwing down today in the Men's and Women's Semi Finals at the Oakley Arctic Challenge.

The Arctic Challenge slopestyle course is looking bonza, there's some of the sickest shredders on Planet Earth on point ready to send it, and today it's the Semis where cats will be duking it out for a shot in tomorrow's Finals.

With riders like Jamie Anderson, Kjersti Buaas, Jenny Jones, Cheryl Maas, Gjermund Braaten, Mark McMorris, Seppe Smits, Chas Guldemond and Ethan Morgan strapping and lapping, you know this one's gonna be off the chain. Tune in and watch what goes down in tomorrow's Finals LIVE on the TTR site. The webcast is at the bottom of the page.

Here's how today's action will shape up...