Futures-compatible fins * 4-fin set designed for Quad setup * 4.5" Front pair * 3.5" Rear pair * Injection-moulded * Nylon composite construction * Ideal all-around fins - durable, strong, budget-friendly * Colour: Black The Northcore Futures Compatible Quad Surfboard Fins are single-tab compatible injection-moulded fins which are great for all kinds of riding. They combine a standard size pair of 4.5" front fins and a 3.5" rear set up. These Futures-compatible nylon composite fins were based on the F4 template, one of Futures’ most notable fins. This template is well-balanced and can perform in many conditions, and is ideal for everyday riding. Riders can generate speed and stay on the rail with the medium-sized tip and base.