Extreme harlequin or just harlequin?
I would say it’s an extreme harlequin pinstripe. It also looks like a very low-expression tricolor.
It’s a harlequin pinstripe. Extreme would have quite amount of patterning along the upper lateral aswell as the lower lateral and tri-colour would be three clear colours along the laterals (including the base colour).
I agree with @foxreptile that it is a nice Harlequin Pinstripe, not an Extreme.
As said Pinstripe Harley