The measurements that matter to me, on the size 12 pattern (that's an Aussie 12) are: 1. Base of armscye, from one side seam to the other is 21"or 53cm 2. Middle of armscye, from edge of sleeve, is 15" or 38cm 3. Across shoulders, from sleeve cap to sleeve cap, is 15.5" or 39cm My body measurements are different, as follows: 1. Base of armscye, from one side seam to the other is 2.5" or 6.4cm less 2. Middle of armscye, from edge of sleeve, is 2.5" or 6.4cm less 3. about the same.
