Silicone swim caps are designed to give you smooth movement through the water making you streamlined and fast. They also protect your hair from exposure to chlorine and other chemicals. The Finis Silicone Dome Cap is ergonomically developed to create a secure fit on the head. The 3D design offers different levels of thickness throughout the cap to allow for zero wrinkles, which results in reduced drag. Molded gripping on the inside of the Silicone Dome Cap ensures a secure fit during races. Dive in with Finis.