Retina Clarity Comp has a soft, medium-sized PU frame with a triple-layer foam for superb fit. The goggles come with competition specific gradients and are made of optical quality PC/CP from Carl Zeiss that are anti-scratch and anti-fog treated for better vision and scratch resistance. Silicone grip on the inside of the strap ensures that it stays perfectly in place. Fits all Retina lenses. An extra lens for low light conditions is included.