GMAX YOUTH GM-49Y FULL-FACE HELMET BLACK YM - 72-4940YMDOT Approved One shell size with removable, washable interior that can be adjusted to three different sizes so the helmet can grow as your child grows Intake and Exhaust vents aligned with superior channeling to maintain a constant airflow to help pull in fresh air and removed hot air Quick change "Maximum Seal" shields available in single and anti fog dual lens Large eye port for improved range of vision Lightweight Poly Alloy shell 2. 9lbs Intercom