Katy Perry Pop Rock Superstar New White Music Tee T-Shirt Size S : Chest 19.0"(Armpit to Armpit), Length 27.0" Size M : Chest 20.0"(Armpit to Armpit), Length 28.0" Size L : Chest 22.0"(Armpit to Armpit), Length 29.5" 100% cotton, soft fabric