Cotton Airweave SB3 BlazerThree button jacket, made in London, with cotton airweave from a mill in Lancashire, and dark horn buttons from the West 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. The jacket here is cotton, true, but even the slightest shrinkage in washing will throw the shape out of balance and the