Jacket

For Men: Take a chest measurement under your armpits around the widest part of chest at the shoulder blades. 

For Women: Use regular Bra Size 

After taking your chest measurement, add the following amount of inches according to which jacket type you are sizing for below. If you fall on an odd number round up to the nearest even number. 

Tall Sizes: Tall size jackets are 3" longer in the sleeves and 2" longer in the torso.