Make a splash in our Space Train Jammer. This high-performance, above the knee cut was made for your best training sessions, featuring an inner drawcord for a customizable fit, a trim leg opening and compressive fabric to reduce drag in the water. Plus, it's made with our Durable, chlorine-resistant Endurance+ fabric that's built to last without fading or losing shape and our signature Block the burn UPF 50+ for extra sun protection.