flexible design Experience smooth turns and responsive rides with fins designed for easy maneuverability. This enables a more controlled feel on each wave and helps you stay in rhythm with the water. Standard compatibility Fits standard longboard fin boxes for effortless attachment and detachment. Material and durability Constructed from robust material to provide longevity and stability. Built to perform reliably, even in challenging river conditions, contributing to your overall surfing performance. Color variety Available in black, yellow, and green to match your board. Use scenarios River or mixed water conditions: Easy to attach and detach, enabling quick fin changes for stability and control in varying currents and obstructions. Ocean longboard surfing: Flexible design supports smoother turns and more responsive handling on changing wave faces. Travel and storage: Quick removal allows compact packing.