PREPPY SUNGLASSES WITH A MODERN FIT. With a classic, preppy design, the Serengeti BRAWLEY are your go-to sunglasses for a classic look. The BRAWLEY features SATURN lenses for elevated eye protection, and adjustable nose pads and spring hinges for comfortable all-day wear. These classic style sunglasses are the staple your wardrobe needs. The Strongest Photochromic Polarized sun lenses. Photochromic lens perfectly adapting to only let the necessary light reach your eyes. Ideal for driving and every day use. Mix of robustness and shape-memory material for a solid and long lasting frame.. The small yet robust hinge. Lens Technology : Saturn Polarized Photochromic Spectral Control. Lens VLT : 29% to 17%. Lens Color : Drivers. Frame Material : Eco-nylon/Metal. Hinge : 3 Barrel Hinges