Ideal performance for air conducting; Have a super streamline shape, greatly reduced wind resistance, more chance to win the championship. Two mode integrated forming process, hard PC shell seamless connection; Better anti impact ability, enhanced 18%. Thickness of high intensity import foam has been increased by 12%. Impact resistant PC shell and a perfect combination of integrated molding process, making the impact can be evenly dispersed pressure, make it better to protect your head. Suede detachable lining, absorbent, soft. The built-in detachable suede lining, soft and comfortable, sweat absorbing performance is good, easy to clean, anti-bacteria. Adjustable lock to ensure security; Bound nylon belt can be adjusted by single hand; Soft tail regulator, and for adjusting the size of 57-62cm, soft design, feel smoother, lightweight and very great for riding.