BELL SX-1 helmet features:

Lightweight Polycarbonate/ABS shellForce flow ventilation system to help you keep your coolAir channeled liner is removable and washableVented roost guard to protect your noseHeight adjustable peak3 EPS sizes for a more precise fitPadded chin strap with stabdard D-ring closureBell's 5-year warrantyBell SX-1 helmets at AMA are either Australian Standard or CE approved