The following are measurements we provide for Imaginary Foundation t-shirts. The Shirt is laid on a flat surface when measured. Please take in account that shirts may have wrinkles, so measurements are not 100% accurate.
Body width - measure 1" below the armhole and straight across from side to side.
Body length - measure in a straight line at point where neck trim meets body to bottom of garment.
Small: 18 x 27 1/2
Medium: 19 3/4 x 29
Large: 21 1/2 x 30