With its low height, the genius otg fits perfectly with eyeglass wearers with a thin face. he evolight nxt® photochromic technology is the best on the market offering cat.1 to cat.3 longlasting resistant photochromy by cold weather with an ideal optical clarity.Features:- Highlights: The best quality of vision in all weathers, for eyeglass wearers with a thin face.- Sunshine: All Weather- Protection category: Photochromic Evolight NXT cat 1-3- Season: 21H- Segment: Adulte- Visor: Double spherical screen- Mousse: Bi-density- Lens treatment: Anti-fog and anti-scratch- Lens technology: Photochromie Evolight NXT®Technology: - Evolight nxt® photochromic cat. 3 to cat. 1 lens spherical and panoramic dual-lens anti-fog and anti-scratch coating double density foam otg foam cut