This Nirvana Incesticide t-shirt is officially licensed and manufactured by Merch Traffic.  The front is screen printed on a celery t-shirt made from 100% cotton.  This shirt runs short in length.  Please check the size chart before ordering.  No design is on the back.

Size,          Brand,        Armpit to Armpit, Top to Bottom
Medium     Nirvana                 18.5"                26.5"
Large        Nirvana                  20"                   27"
X-Large     Nirvana                 23"                   27"
2X-Large   Nirvana                 25"                   28"