Size 37-38 I'd say. This Swanndri New Zealand wool shirt jacket is the perfect addition to any man's wardrobe. Made from 100% wool, it offers both warmth and style. The jacket comes in a size M and is designed to fit regular size types. With its classic design and brand name, it is ideal for anyone looking for a stylish and functional jacket. The jacket is perfect for those cold winter days, and its outer shell material of wool ensures that it will keep you warm. Its department is designed for men, and it falls under the categories of coats, jackets, and vests. Don't miss your chance to own this high-quality jacket from Swanndri, one of the most trusted names in the industry.