Surfline.com Surf NewsHydrofoil Surfing: What to Expect (and How to Not Die) During Your First SessionSurfline.com Surf NewsSeemingly overnight, hydrofoil surfboards have exploded on the scene with guys like Kai Lenny leading the charge and enlisting recruits of elite pro surfers including John John Florence, Kelly Slater, Jamie O'Brien and more. But long before Lenny's ...