Ballin Marbella stringer gym vests are a perfect blend of lifestyle and gym wear. Custom made to fit in all the right places no unwanted tightness around the stomach area. Featuring our signature Ballin Marbella logo they’re sure to make you stand out. sutable for in the gym or relaxing at a beach club whilst not over the top. Our vest Contour to your physique perfectly and hold shape after vigorous activity. The SS18 collection.