Cyclone X fins are lightweight and reactive thanks to a thermoplastic blade construction. The foot pockets use a soft rubber for efficient power transfer with a lateral rips for progressive blade flex. Cyclone X Fins add another level of adaptability with the use of a modular system to suit your diving needs. The modular design is also perfect for traveling - allowing the fins to be disassembled and packed into shorter travel bags and reassembled at the destination. This new tip profile prevents side to side slipping while kicking.