SIZE SLEEVE FROM CENTER BACK (IN) WIDTH (IN) LENGTH (IN) FITS LIKE
XS 21     27 1/8 24 7/8 UNISEX XS = MENS XS / WOMENS S
S 21 3/4 28 1/8 25 5/8 UNISEX S = MENS S / WOMENS M
M 22 1/2 29 1/8 26 3/8 UNISEX M = MENS M / WOMENS L
L 23 3/8 30 5/8 27 3/8 UNISEX L = MENS L / WOMENS XL
XL 24 1/2 32 5/8 28 3/8 UNISEX XL = MENS XL / WOMENS XXL
XXL 25 5/8 34 5/8 29 3/8 UNISEX XXL = MENS XXL / WOMENS XXXL