•Anti-Collision Material: Made of PC shell, with impact-absorbing EPS foam liner, effectively collision-resistant, very comfortable to wear •Breathable Design: With multiple holes, makes it more breathable, no stuffiness. Enjoy some breeze and airflow with 18 large vents •Fit Most Head Circumference: With adjustable design, it's suitable for 58-61cm head circumference •Buckle Design: Keep the helmet firmly on your head, not easy to fall down •Easy to Carry: Lightweight body, only 270g, it make sure you carry the helmet outside easily Specification: •Material: EPS foam/imported PC shell •Weight: about 270g •Size: 27cm*14cm •Head circumference: 58-61cm •Air Vents: 18 air vents •Features: novel shape, one-piece molding, thickened breathable lining, 4-speed height adjustment, English logo printing Package included: •1 x Helmet •Other things not included