Durable Design - The OutdoorMaster horse riding helmet is made with a high-strength ABS shell and high-density EPS inner core, ensuring long-lasting durability, impact resistance, and scratch resistance. It complies with ASTM F1163-23 certification standards, providing reliable safety protection Comfortable Fit - Equipped with an adjustable dial and straps to ensure the helmet fits individual head shapes. Features include a removable, washable lining and 9 ventilation holes for cool and comfortable wear Multi-functional Helmet - Includes a sun visor to effectively block sunlight and reduce wind resistance. Ideal for equestrian sports and versatile enough for activities 3 sizes - S (50-55 cm head circumference, 470 g), M (55-58 cm head circumference, 520 g), L (58-62 cm head circumference, 530 g), catering to various head sizes