Bio-based frame materials, easily interchangeable lenses and an exceptionally wide field of view make the Zonula an easy choice, whatever the conditions. Technical Details INTERCHANGEABLE LENS It's easy to swap the Clarity lenses to ensure you have the best vision in the widest range of light conditions. CLARITY LENS The supplied lens features Clarity technology to enhance the visual experience. EXTRA-WIDE FIELD OF VIEW The large lens ensures optimal peripheral vision, allowing you to see and react to potential hazards earlier. BIO-BASED MATERIALS The frame and strap are constructed from 47% bio-based materials by weight. SILICONE GRIPPERS Silicone grippers on the inside of the strap help keep the goggles secure against a helmet. TRIPLE-LAYER FACE FOAM Multiple layers of foam ensure a soft and comfortable fit, perfectly molding to the contours of your face. RI-PEL ANTI-DIRT AND -WATER TREATMENT The Ri-Pel hydrophobic and oleophobic treatment protects from dirt, water, sweat, salt, oil and dust, and also makes the lenses easier to clean so your vision is always clear. COMPLETE UV PROTECTION (UV 400) The goggles give complete protection from harmful UVA and UVB rays. ANTI-SCRATCH TREATMENT An anti-scratch treatment on the outer lens reduces the risk of surface damage for clearer vision ANTI-FOG TREATMENT An anti-fog treatment on the inner lens helps reduce internal fogging for clear vision as the intensity rises. INCLUDED A soft goggle pouch which can be used as a cleaning cloth is included. STANDARDS The goggles conform to CE EN174:2001 and ASTM F659 standards.