The Tifosi Interchange models feature shatterproof, decentered polycarbonate lenses. Optical distortions are eliminated, ensuring clear and sharp vision across the entire peripheral area. Grilamid TR-90 frame: TR-90 is an extremely lightweight, shatterproof, and durable nylon material that is resistant to chemicals and UV radiation. Hydrophilic rubber: The rubberized temple ends and nose bridge provide more grip despite increased sweating, preventing slipping. Fototec: Tifosi Fototec lenses adapt to rapidly changing light conditions. Whether under a cloudy sky or in bright sunlight, the variable tint technology always ensures the right visibility and protection. • Details: - Head size: M-XL • Lens type: tinted • Purpose: Sport • Weight: 31 g • Accessories: glasses pouch • Frame construction • Frame: Grimalid TR-90 • Ventilation: ventilated.