LENS: PHOTOCHROMIC CAT.0 -> 1. A spherical, mechanical, vented lens. Mirror lens. PU + photosensitive film. A lens with no distortion. Full UV protection. FRAME: frameless goggles. Medium fit. Extremely light. VENTILATION: A.V.S. Ariete ventilation system. Open filters. ELASTIC STRAP: non-slip silicone. A double buckle for quick adjustment. 30 mm high. 3-LAYER FACE FOAM: 3D thermoformed foam padding for unmatched comfort and feel. The 1st layer is closed-cell technical foam. The 2nd is extremely soft open-cell technical foam. The third is hypoallergenic against the skin.