Dig your toes in the sand, adjust your puka shell necklace, and text bae — the pauper of chill, Jason Mraz, is bringing his “Good Vibes” tour to Meadow Brook Amphitheatre on July 28.

Perhaps best known for his wedding first dance/proposal mega-hit from ’08 “I’m Yours,” it’s been a solid four years since the Grammy Award-winning performer and coffee house crooner dropped a studio record.…