EXCLUSIVE

Jax Taylor looks appropriately scruffy for someone who took a break from his Hawaiian vacation to pose for a quick mug shot.

TMZ broke the story ... the "Vanderpump Rules" star was busted Friday for felony theft after stealing a pair of very expensive Polaris sunglasses from Freaky Tiki Tropical Optical in Honolulu. We say he was stealing because it was all caught on surveillance video.