Thunder Fifty Low Matte Black / Photochromic Mirror Red

Thunder Fifty Low Matte Black / Photochromic Mirror RedThunder Fifty deliver a powerful visual experience with OPTAREX Photochromic lenses that automatically adapt to light conditions. Built to sharpen vision in bright environments, they feature full UV400 protection, Category 3 lenses, up to a 68% blue light filter, and REVO coating to enhance contrast, reduce glare and keep vision clear at speed. Rated Category 02, they are ideal for high sun outdoor workouts from road cycling to trail running. Designed

Thunder Fifty deliver a powerful visual experience with OPTAREX™ Photochromic lenses that automatically adapt to light conditions. Built to sharpen vision in bright environments, they feature full UV400 protection, Category 3 lenses, up to a  68% blue light filter, and REVO coating to enhance contrast, reduce glare and keep vision clear at speed.

Rated Category 0–2, they are ideal for high-sun outdoor workouts — from road cycling to trail running. Designed with a lightweight, impact-resistant TR90 frame, Thunder Fifty combine an aerodynamic wraparound shape with wide coverage for strong side protection and stability. Silicone nose pads and temple tips provide a secure, comfortable grip—even in sweat or rain.

• Photochromic Smoke polycarbonate lenses: clear vision with a sporty style
• 68% Blue light filter: extra eye protection in bright conditions
• Premium TR90: strong, flexible and ultra-light frame
• Wraparound aerodynamic design: wide coverage with side protection
• UV400 & Category 2: high-level sun protection

Vision Control System