Kick-start your performance with Speedos innovative fins. Created to meet the precise needs of swimmers, each fin is built to increase strength and propulsion, while improving stroke technique and promoting a natural kick. Enhance your training sessions with these long-blade rubber fins. Made from soft natural rubber for optimal flexibility and comfort, this swim tool can help swimmers at every level improve kicking technique and speed. Long blade provides extra power and force. Tapered blade edge allows for long whip during kick cycle, translating kick effort into speed. Soft, orthopaedic foot pocket for comfortable extended use.