S M L XL
PIT TO PIT 17.5" 18.5" 19.5" 20.5"
SHOULDER 13.5" 14" 14.5" 15"
SLEEVES 10" 10" 10" 10"
WAIST 18.5" 19.5" 20.5" 21.5"
LENGTH 20.5"  21" 21.5" 22"

Please note: Pit-To-Pit are taken from one side. To get the full measurement, please multiply the listed size by 2.

Measurement in INCHES, 1 INCH : 2.54CM
PTP = Full round x2
WAIST = Full round x2
Trulli