OMP First Top Racing Undershirt - 2021 Model Color:White On the other end loosen

On the other end loosen the thumb screws and move the slider until the pointer aligns with the other scribe line

air pressure release button

and side-mount compatibility keeps installation straightforward—making it a smart choice for club racers and dual-purpose builds

Can be used with either a standard Amerex 2

OMP First Top Racing Undershirt - 2021 Model Color:White On the other end loosenThe OMP First line of racing underwear features a 100% soft knit Nomex construction and external seams for maximum comfort. The SFI & FIA rated undershirt is built with a mock turtleneck collar for added protection, and full length sleeves.