Model Number: 855 Material: ABS Engineering Material Large Size: 57-61 cm Features: 1. Excellent Quality: Made of high quality material, it is of high quality and comfortable to wear. 2. Fashion modeling: fashionable appearance, more individual and beautiful. 3. Comfortable to wear: Ergonomic design, more comfortable to wear. 4. A variety of specifications: a variety of sizes to meet your individual needs. 5. Applicable scenarios: suitable for motorcycles, electric motors, etc. 1. High-strength ABS shell, lightweight and impact-resistant. 2. Adjustable ventilation system for coolness and comfort 3. Multi-density EPS safety cushioning provides state-of-the-art energy absorption. 4. The comfortable padded liner is made of breathable technology fabric, hypoallergenic, high-grade fabric, soft and breathable, more breathable and more elastic; cleaner. 5. Padded windshield can significantly reduce wind noise and road noise 6. Intake and exhaust ports ensure adequate ventilation to keep you cool. 7. Padded chin strap with quick release strap 8. European design style, front mouth, top and tail, make the helmet more fashionable.