Rudy Project Astral Sphere UTMB combines a wide spherical shield and photochromic ImpactX lenses for adaptable, performance-focused eye protection during running, cycling, and outdoor sports. Key attributes: Blue | Blue navy | Rilsan | ImpactX photochromic lens (LTV 8% - 48%) | Wide panoramic vision | Impact resistant lens | Adjustable anti-slip nosepads | Anti-slip temple inserts | Prescription ready / supports Rx inserts and adapters | Shield-style spherical lens for panoramic view | Matte frame finish | Adjustable anti-slip nosepads | Dimensions & fit: Fits medium/large faces | Composition & care: Rilsan frame | ImpactX Photochromic lens | Rubber temple and nosepad inserts | Wipe lenses with a microfiber cloth. Clean frame with mild soap and water. Avoid abrasive cleaners and prolonged exposure to solvents or heat.