Small - 19.5" PTP
Medium - 20.5" PTP
Large - 21.5" PTP
XL - 22.5" PTP
XXL - 23.5" PTP
XXXL - 24.5" PTP
*PTP is the measurement from one arm pit to the other.
If unsure on the fit, compare measurements to another item you have that fits.
We will only ever send you good news, offers and exclusive discount codes. Never spam.