Those are Jaco Nitro Shoes...they come in front and rear compounds...I think they maybe running 40 front and 40 rear like they did at the nationals, but that was the nationals and the weather is different at this time...I see he is using the stock set up (yellow/red)...I think at the nationals they had red springs in the front and copper in the rear...so they could be using 45 front and 40 rear...dunno though? Just speculation atm...lol...but those are nitro shoes...