The helmet lining is fully detachable, making it easy to disassemble, wash and install Bluetooth headphones。The hat strap is made of soft calfskin, which takes into account the retro feeling, comfort and texture requirements.The lining material is made of high-grade black first-layer sheepskin, with high-grade and delicate sweat-absorbing flannel, which has a good high breathability and high sweat-wicking effect and high comfort.It allows you to ride without being stuffy, suitable for summer use, and suitable for all seasons.The use of the double D buckle greatly improves the safety of your riding by a lot.The exterior of the cap body is painted with high-grade gold oil, with a delicate antique white drawstring painting to outline a strong retro chivalry.The helmet paint surface should be carefully mixed by the paint mixer, and the exclusive color of the color has reached the absolute requirements and high standards of the international first-class brand, and it is not the use of general ready-made color paint.The lacquer finish is covered with gold oil, which makes it even more beautiful.Every little detail is required by high standards of safety specifications and passed the Taiwan CNS and the United States DOT safety qualification standards to completely protect the safety of the rider’s head.