Hotrod Hellcat Button Up Monster MadnessNothing says Rockabilly quite like a hotrod print work shirt. With a button up closure and collared top, this classic greaser shirt can be worn on its own or with a long sleeved rockabilly shirt underneath. Smart casual mechanic style workshirts are perfect to wear to rockabilly festivals and events. Materials 65% Poly 35% Cotton Need help with sizing? We are here to help. Measure one of your favourite shirts laid flat, shoulder to shoulder and