For us fins are essential to achieve optimal trim, comfort and proper propulsion techniques. xDeep molded rubber fins are result of existing market data analysis that allowed us to create more comfortable, durable and powerful fin. xDeep fins may not fit everyone same way nevertheless foot pocket construction allows tight fit and comfortable movements even smallest ankle articulation. Our fins combine old school look with new technology and material used to produce them that offer divers next generation fins. xDeep fins are #1 choice of experienced divers around the world.