These navy jumpsuits, coveralls, whatever you want to call them are the genuine artical imported from the US from the main supplier to US correctional institutions.  XL waist size ranges from 38 to 42 inches (96.5 to 107 cms) and chest size is 52 inches (132 cms).  The inside leg measurement is 30 inches (76 cms) and the shoulder to waist dimension is 22 inches or 56 cms.