KENSINGTON SQUARE fall top

I'm guessing this is a LARGE from the measurements. This top is to go over anther top (jacket type) 2 front pockets Fall leaves Made with a single button. Arm pit to arm pit measures 22" Back of neck to hem measures 28" Top of collar to hem measures 30" From shoulder, sleeve length measures 21 3/4" From shoulder, rolled sleeve length measures 19 1/2"