Vest Guide
Chest
Lay your vest flat and buttoned on the floor. Measure across the chest at the highest point, armpit seam to seam.
Bottom
Measure straight across the bottom of the vest, edge to edge.
Shoulder
Flip your vest over, and measure straight across from shoulder seam to shoulder seam.
Length
Measure straight down the vest from the top seam of the vest where it meets the collar down to the bottom of the vest.