Four seasons mountain bicycle helmet DH

Your four-season multi-sport companion! The "510_Athletics" Four Seasons Mountain Bicycle Helmet DH (Downhill) keeps you safe and sound no matter the season! Keep riding in style all year 'round!

Shell: mouth high quality ABS SHELL, and resistance to penetrate, impact resistance

Buffer layer: Japan water brand high-density foam Lined

Size:S(52-55cm),M(55-56cm),L(57-58cm),XL(59-60cm) WEIGHT: 950G 50g