Buck had helped the old man put his herringbone wool jacket and felt hat in the overhead bin when they boarded. Harold was a short, dapper gentleman in penny loafers, brown slacks, and a tan sweater-vest over a shirt and tie. He was balding, and Buck assumed he would want the hat again later when the air-conditioning kicked in.
We get a full description of this guy’s outfit so that we know that Buck knows that those are his clothes later.
