The Futures Neutral Quad Rear Fins Medium are lightweight honeycomb fins designed to convert your thruster setup into a balanced, all-conditions quad. The neutral template and 80/20 foil deliver a versatile blend of response and control, making the Medium Neutral Quad Rears one of the most popular quad rear options in the Futures lineup for everyday surfers across all break types. Template: Neutral — versatile all-around shape for balanced drive and release across varied surf conditions Foil: 80/20 — generates lift and speed while keeping the quad setup predictable and controlled Construction: Honeycomb fiberglass — lightweight core for a lively, responsive feel without added bulk Size: Medium — recommended for surfers 125–175 lbs across a range of board tail shapes Configuration: Sold as a pair (left + right) — combine with any Futures front fins to complete your quad Fin System: Futures — fits Futures shallow-depth quad rear fin boxes Sizing Note: Medium Neutral Quad Rears suit surfers 125–175 lbs. Combine with Medium or Large Futures front fins to complete your quad setup. For smaller surfers, consider the Small Neutral Quad Rear set. Care: Rinse in fresh water after each session. Inspect fin tabs for wear before surfing. Store away from direct sunlight and heat.