This Michael Jackson MJ Bad Silver Logo t-shirt is officially licensed and manufactured by Merch Traffic. The front is screen printed on a white t-shirt made from 100% cotton.  No design is on the back.

Size,          Brand,        Armpit to Armpit, Top to Bottom
Medium     Michael Jackson   19"                   29"
Large        Michael Jackson   21"                   30" 
X-Large     Michael Jackson   23"                   31"
2X-Large   Michael Jackson   25"                   33"