AEGEND Silicone Racing Swimming Goggles No Leaking Anti Fog UV Protection Triathlon Swim Goggles with Free Protection Case for Adult Men Women Youth Kids Child ANTI FOG PROTECTION: The lens has anti-fog treatment, is scratch resistant and PVC and latex free. The lens is not mirrored. If the anti-fog treatment starts wearing off, add more or use one of the remedies recommended in our description. CLEAR LENS: No tint or artificial color hindering your aesthetic pleasure. Polycarbonate lenses stay strong even in the toughest conditions. COMFORTABLE: Flexible silicone frame and gasket provides maximum comfort. SILICONE NOSEPIECE: Flexible and comfortable, never hurt your nose. Hassle Free, 12 month guarantee! If you don't absolutely love your new Aegend swim goggles, we will replace them or refund your full purchase price -- no questions asked! Includes: 1 * Aegend Swim Goggles, 1 * Protective Case.