Concept UK Virgin Wool Button Front Blazer Jacket US Size 18 - Please see measurements. This garment is from the UK and very well made. It is lined. Measurements: Size 20 UK which is a Size 18 US. Length from hem to neckline- 25 inches Arm Pit to Arm Pit- 23 inches Sleeve Length- 24 inches Shoulder to Shoulder- 18 inches