Racing Optics XStack Perimeter Seal Tearoffs - Clear 1950591 Zamp's FX-4 Motocross helmet is

Zamp's FX-4 Motocross helmet is packed with features and value

Sliding Tethers for Quick-Click Anchor

The Pro Ultra device applies aerospace grade carbon to achieve a 100+ gram weight saving compared to the regular Ultra

snug fit to enhance driver mobility

Bell’s top wicker gurneys are designed to reduce helmet buffeting be creating a separation point at the top of the helmet allowing airflow to detach and rejoin the air stream

Racing Optics XStack Perimeter Seal Tearoffs - Clear 1950591 Zamp's FX-4 Motocross helmet isThe Perimeter Seal system is the latest technology from Racing Optics which allows for a tighter seal to visor, blocking out dirt, dust and water from behind the stack. The XStack is a stack of 10 laminated Tearoffs that are 2 mil thick each. The laminated technology creates a distortion free optical lens. Each package contains 3 stacks of 10 Tearoffs for a total of 30 Tearoffs. Clear.