EKZ1002 Features: * Helmet * Superior multi-impact helmet for use in a water environment * Four-layer multiple impact shell design for maximum absorption and dispersion of collisions * Retention system locks the helmet firmly in place on your head, preventing the helmet from rolling back and exposing the forehead Includes: * Included pad system lets you customize the fit to further reduce movement and increase comfort Dimensions: * Small / Medium width: 19" - 21.5" W * Medium / Large width: 21.25" - 23.25" W