Alpinestars ZX Evo v2 Fire Resistant Racing Underpants - FIA 8856-2018 / SFI 3.3 Size:Medium/Large Mesh panels are built into

Mesh panels are built into the under-arms

Mesh panels are placed throughout for unparalled breathability

The AIM Data Hub is a CAN connection multiplier that allows for the installation of multiple CAN accessories to the MyChron4 Karting Dash

Alpinestars' unique fire-proof

Alpinestars ZX Evo v2 Fire Resistant Racing Underpants - FIA 8856-2018 / SFI 3.3 Size:Medium/Large Mesh panels are built intoDesigned for Formula 1 racing, the Alpinestars ZX Evo v2 line of fire retardent underwear is extremely light and thin, without sacrificing comfort or protection. Through the use Alpinestars' proprietary Lenzing FR fabric, the ZX Series uses a revolutionary tubular knit construction, making the Alpinestars ZX Evo Racing Underpants nearly seamless. The comfortable, form fitting design features an elongated rear to help improve fit in the seated