ROCKBROS หมวกกันน๊อค หมวกกันน็อคขี่จักรยานเสือภูเขาสําหรับผู้ชายผู้หญิง 4 สี

Tips:The helmet does not include taillights. The helmet does not include taillights. The helmet does not include taillights. Tail lights need to be purchased separately!!! Brand:ROCKBROS Product Name:Lambot Color: 4 Colors Material: PC shell + EPS Weight:335g Size: Head circumference 57-62cm Feature: Anti-Sweat/Shock Resistance/Ventilation,Use air cooling make the air free Brethable,Adjustable size,Magnetic-snap,easy to wear and take off Measurement Method Use a soft ruler to make a week around A and B. （Hair is also counted） And then you can purchase the helmet according to your needs.