S1 Lifer Skateboard Helmet Purple Matte Sun Bum Sun Care the Proplugs will form a the Proplugs will form a watertight seal that contours with the movement of the jaw Stringer: Single Carbon Fiber Stringer (A bodyboard with 1x Carbon Fiber Stringer utilises a Carbon Fiber rod running through the centre of the board to add longevity by improving stiffness and recoil while also greatly increasing the ability for projection The Lifer Helmet uses a specially formulated EPS Fusion Foam which allows it to protect your head from multiple low force impacts as well as high impacts The S1 Lifer Helmet is the best fitting High impact and Multiple Impact helmet on the market