The Futures Neutral Quad Rear Fins Large are heavyweight honeycomb quad rear fins built for bigger surfers who want drive, control, and speed in a quad configuration. The neutral template and 80/20 foil deliver a balanced ride that works across a variety of wave types — equally effective combined with large front fins in overhead surf as in smaller beach break. Template: Neutral — versatile all-around shape for balanced drive and release in varied conditions Foil: 80/20 — generates speed and lift while keeping the tail controlled and predictable Construction: Honeycomb fiberglass — lightweight for its size, with enough stiffness for bigger surfers Size: Large — recommended for surfers 165 lbs and over Configuration: Sold as a pair (left + right) — mix with any Futures front fins to build your ideal quad Fin System: Futures — fits Futures shallow-depth quad rear fin boxes Sizing Note: Large Neutral Quad Rears suit surfers 165 lbs and over. Pair with Large or X-Large Futures front fins for a full-quad setup in bigger surf. Care: Rinse in fresh water after use. Store away from direct sunlight and heat. Inspect fin tabs before each session.