Details Captain Fin – Alex Knost – 9.5 – 1 Find Features: Template:Balancedmoderately upright template, wider base for classic logging or more hold for a step-up tube shooter. Ideal Board:Mid-Lengths with2 1 fin setups. Construction:Fiberglass construction. A throwback aesthetic matches the retro-inspired template of the Alex Knost Classic 9.5″ and with it’s wide base and upright profile it will lend a vintage, yet speedy and responsive feel to any log or a bit more maneuverability to your glider. Fin Specification Size Area 37.96″ Height 9.5″ Base 6.4″ Foil 50/50