Very reactive fin for fast, steep, powerful waves The FCS II Reactor Neo Glass Medium Tri Fin Set gives you speed and fast feedback for steep, fast, powerful waves. Its upright design enables agile, sharp turns and radical manoeuvres. The construction of these fins is harder than that of cheap fibreglass models and yet more forgiving and cheaper than a high-performance fin. FeaturesFast reacting fin for tight radii Upright template with flat foil on the side fins enables fast turns Designed for surfers who like to stay tight in the pocket and surf manoeuvres Suitable for hollow waves and powerful beach breaksRecommended for performance shortboards with moderate to low rockerLightweight, moulded fibreglass construction that offers pro-level performanceVery responsive