The SCICON AEROTECH XL sunglasses with photochromic blue lenses are designed for maximum performance and comfort. These glasses are perfect for all types of outdoor activities, as the lenses automatically adjust to changing light conditions. The lightweight and aerodynamic frame provide a secure fit, while the blue lenses offer optimal protection against harmful UV rays. These sunglasses are a must-have for any sports enthusiast or adventurer. Features: - Photochromic blue lenses - Lightweight and aerodynamic frame - UV protection - Perfect for outdoor activities