The Fox Rockstar Spike Vortex tee shirt was born as a result of the hookup twixt Fox Racing and Rockstar Energy Drinks. Check out this exclusive range of Fox Rockstar Clothing. This Fox X Rockstar tee is constructed from 100% cotton and has a large chest print. MX, FMX, MTB, BMX, Wake and Surf, whatever your chosen drug, Fox have got your back.