The Koalition Twin Perf is a twin fin setup designed for modern twin boards and performance-oriented surfing

3/2mm neoprene provides reliable insulation in mild to cool water temperatures

Focus on control and maneuverability

It is developed as a practical solution for activities close to the shore without unnecessary details

Designed for use in the water

Goya Cobra Slot Box Fin Screw Body/skim/skate - Boards - 1017 The Koalition Twin Perf isGoya Cobra Slot Box Fin Screw When Cold Hawaii calls, it's important to have your windsurfing setup in order. The Goya Cobra Slot Box Fin Screw is designed for mounting fins in Cobra slot box systems. The screw ensures a stable and secure attachment of the fin, so the board is ready for use in varying conditions. In Cold Hawaii, when conditions are good, reliable equipment means everything. More stability. More control. More time on the water.