This is a beautiful and warm Vintage Harris Tweed Blazer made by James S Lee tailoring in Japan in the 60s. It would fit a 38R or perhaps a slim 40R. There are some repairs that can barely be seen on the arm holes, but the blazer is excellent condition for a piece of this vintage. I hope I look so good after 60+ years. See photos for measurements and detailed images of the repairs, inside and out.