A CHEST - Measure under your arms, under the fullest part of your chest
B PIT TO PIT - Pit To Pit is the actual measurement of a jacket laid flat, pulled out and measured from side to side, it is not your body measurement
C SLEEVE LENGTH - Measure the arm from the top of your shoulder to where yo want the cuff to end
D BACK LENGTH - Measure from the nape of your neck to where you want the jacket to end
E SHOULDER - Measure from the neck to the end of your shoulder
For best results, take measurements over a t-shirt. If your measurements fall between sizes, we suggest that you size up for a better fit.