High-performance goggles from anon with Perceive lenses . The anon M4 Cylindrical Goggle offers a precise fit with a wide field of vision and flat, cylindrical lenses. Optimal for the combination of helmet and goggles. Innovative MAGNA-TECH® technology allows for quick and easy lens changes through powerful magnets and offers unprecedented versatility.This version of the M4 comes with two cylindrical lenses with Perceive optics for high-contrast clear vision in any terrain. High-quality anti-fog treatment ensures crystal-clear vision in all weather conditions. Magnetic Face Mask Integration (MFI®) offers seamless face mask attachment, while full-length vents provide consistent air circulation for clear, fog-free vision. Perceive Sunny BronzeThe Perceive Sunny Bronze lenses are suitable for sunny days and slightly cloudy days. Perceive lenses provide high contrast to better see the terrain. Transmittance of visible light: 17 %