Gen Up: Sierra KerrSierra Kerr is cut from a different cloth. She grew up traveling to the world's best waves on the WSL World Championship Tour with her dad, Josh Kerr, one of surfing's most well-rounded aerial savants. At just 16, Sierra's surfing shows it. The Inertia's series, Gen Up, profiles the worlds' most promising young surfers and sheds light into their lives, their families, and their futures. We're proud to premiere the second episode starring Sierra and Josh Kerr.