Bulldog Gym "Shut Up & Train" sleeveless shirt. 100% Preshrunk Cotton. Available sizes: Medium (19.5" arm pit to arm pit), Large (21.5") and XL (23"). Brand New, Never Worn or Washed. Please take a look at the photos for details. Shipping fees: $3.99 (the 50 states), $8.99 (Canada), $11.99 (the rest of the world). Thank you for looking.