The special Antifog treatment of the Carrera Kimerik Goggle avoids any condensation on the inner surface of the lens. The Kimerik's Managed Air system allows adjustable airflow to keep moisture from building up. The Kimerik is compatible with all helmet models. The Dual Adjustment Side Strap allows the pressure exerted by the goggles to the face to be equally distributed on both sides. 100% Protection from UVA, UVB, and UVC rays. This goggle has excellent durability as the lens has an exterior silicone hardcoat to prevent casual scratching. Small Frame Model