Ergonomic design FEATURES: The glasses have an ergonomic design that fits comfortably on the face, ensuring comfortable fit during prolonged use. UV protection: They offer reliable protection against harmful ultraviolet rays (UV), protecting the eyes from damage caused by prolonged exposure to the sun. Directional ventilation: Directional ventilation helps reduce the enclosure and maintain a clear vision even in conditions of humidity or high heat. Anti-scratch lenses: The lenses are treated with a durable scratch-resistant coating, which protects them from scratches and abrasions, ensuring a clear and clear vision over time. Lightweight and Portals : Thanks to their lightweight and compact design, the glasses are easy to carry and wear wherever you go, making them ideal for everyday and professional use. Security Certification: Certified to the strictest safety standards, 3M DE-2729-3299-2 glasses offer reliable protection and superior quality.