The TYR Stryker fins are designed to promote short, fast leg and foot movements and helping you to create the natural flow of a flutter kick. With a 100% silicone construction and a modern comfort fit, the Stryker prevents athletes from feeling restricted during exercise. The foot pockets are smooth and comfortable, the Stryker fins have non slip soles for your safty when wearing them poolside. In addition, this short-blade training fin comes in a variety of colors and sizes, making it an ideal choice for swimmers at all levels.