Ultrafins Carbon Fins with Catme Footpockets deliver professional-grade performance for freedivers and spearfishers. Engineered using high-pressure manufacturing and advanced carbon technology, these fins feature precisely angled blades that optimize kick efficiency and responsiveness. The durable construction withstands demanding underwater conditions while the ergonomic footpocket design ensures comfort during extended use. Developed and tested by experienced engineers, these fins combine superior materials with hydrodynamic design to enhance your aquatic performance.