Olive Donegal Herringbone. This Byron wool jacket is made in a herringbone with a speckled colored yarn. It has a lot of texture. The predominant colors are olive /black in the background and the speckle colors are a variety of bright colors. The Byron is fully lined and has six pockets. There are three pockets inside and three pockets outside of the jacket. It has working buttonholes on the sleeve cuff and a deep facing so that the sleeve can be turned back.