strong contrast and wide field of view. the smith proxy snow goggles combine the wide field of vision of a spherical lens with the contrast enhancement of chromapopâ„¢ technology. the elegant frame ideally hugs the face and improves the peripheral field of vision. perfect helmet integration with smith helmets and the airevacâ„¢ venting system are the reason for a fog-free lens and clear vision. chromapopâ„¢ everyday red mirror lenssmith's chromapopâ„¢ technology helps you see details and colours more clearly, far beyond natural capabilities. chromapopâ„¢ filters out two specific wavelengths of light that cause colour confusion. so the lens delivers more accurate detail, colour fastness and unparalleled clarity. the base shade in rose is perfect for a wide range of conditions from cloudy to bright blue.transmittance of visible light: 25 %