Brand Name: NoEnName_Null Hign-concerned Chemical: None Origin: Mainland China Age: Kids Type: Integrally-molded Helmet Air Vents: 8 - 15 Material: EPS Age Group: Kids Weight (g): 350g Certification: ce Model Number: TK-011 Material 1: EPS+PC Material 2: PC+EPS+insect mesh+visor Age Group 1: (Adults) Men Age Group 2: Adult Men and Women Air Vents: 11 Certification: CE EN Advantages: All terrain/AM / XC / OFF-ROAD bike Helmet Type1: Integrally-molded Helmet Type2: MTB Helmet/Mountain bike helmet Type3: Capacete da bicicleta Color: 7 colors Size: S(51-55CM)/M(55-59CM)/L(59-62CM) Fit System: Lightweight fit system with an easy-to-turn dial for adjustments Choice: yes