Racing Optics XStack Tearoffs - Clear Nomex Underwear Set The Airspeed suit is a

The Airspeed suit is a purpose-built multi-function lightweight premium two-layer SFI-5 driving suit

a button style closure

They provide lightweight

The RaceQuip 350 is a basic entry-level

Racing Optics XStack Tearoffs - Clear Nomex Underwear Set The Airspeed suit is aRacing Optics X Stack Laminated Tearoff System represents the latest and best product introduction to date from Racing Optics, the leader in motorsports laminated tearoffs. The laminated technology creates a distortion free optical lens. The X Stack Laminated Tearoff System provides the following Features: 10 Layers thick for long races, 3 more per stack than the Speed Stack 7 system Better visibility than any other laminated tearoff system available