Tropical Worsted SB3 BlazerThree button jacket, made in London, with a tropical worsted "summer wool" woven with the wool of sheep from Yorkshire in Yorkshire, and horn buttons from the Midlands. The SB3 is a fairly casual and unstructured jacket, but it does have some shape to it especially in the body. Thus, if between sizes if only slightly between sizes then it is recommended to go up a size. Dry cleaning really is the only thing for this jacket. But, since the cloth is,