3M Secure Fit 400 safety glasses are designed for impact resistance and comfort, featuring polycarbonate lenses that absorb 99.9% UV rays. The glasses automatically adjust to head and face shape via Pressure Diffusion Temple Technology, ensuring a snug fit that stays in place during movement. The foam-lined gasket helps block debris and provides cushioning, making them suitable for industrial and outdoor tasks. The impact-rated ANSI Z87.1-2020 standard guarantees high impact protection, while the lightweight design (less than 1 ounce) ensures all-day wear without fatigue. These glasses are perfect for workers needing reliable eye protection in various environments, with impact-resistant lenses and adjustable features for a personalized fit. Imported from USA, delivered in 11-13 days, with all duties included, trusted safety gear for professionals.