Midwest Mobile Tech XXII Crew Uniform. One of the most coveted events of the 2019 season, the Midwest Mobile Tech XXII is an invite only race that takes place September 14th at the Knoxville Raceway. As the action gets hot, stay cool with this 100% Polyester Crew Uniform featuring the Midwest Mobile Tech logo on the front, with the Road To Knoxville crest and the one-of-a-kind Mobile Tech 22 Trophy on the back. This AGMX Design is a sublimated print which will never fade or peel. The Uniform is a 1/4 zip collared shirt that is 100% Polyester which will not shrink. Sizing is standard.