Olive Gabardine Wool Double Breasted Waistcoat with Piping Favourbrook Double breasted wool gabardine waistcoat in Black for Women Dolce Beige double breasted waistcoat Made in Italy La Collection Meriam single breasted wool waistcoat Neutrals Double breasted wool gabardine waistcoat in Black for Women Dolce Forest Green Gabardine Wool Double Breasted Waistcoat Favourbrook. This six button single breasted waistcoat is cut with a traditional v neck. The beige wool gabardine is an absolute classic piece of formalwear. The waistcoat has two welt pockets, mother of pearl buttons, and cream lining with an adjustable strap.