Futures brand * HS1 Generation Series Surfboard Fins Thruster Set * Thruster fin set: 3 fins * For large-sized riders: 180+ lbs (80+ kg) * Future Rider Number Scale Rating: 8.4 * Side fins: V2 foil * Fin area specific: 15.55 sq in The Futures HS1 Generation Series Surfboard Fins Thruster Set is a 3-piece fin that is part of Future’s Generation Series, a new level speed generating model of fins that gives you all the speed you need during surfing without losing the element of control. As compared to the Blackstix, the Futures HS1 gives more stability and drive. The perfect combination of carbon and fiberglass layup also contributes to the fins’ speed.