The Zoggs men's Boston Bay Hip Racer swim shorts are crafted from a soft-textured, 100% chlorine-proof Aqualast fabric that hugs the contours of your body for a hydrodynamic fit and smooth silhouette in the water. The black swim trunks feature a drawstring waist for a customised fit and the sleek black design is finished with grey side panels and green piping detail. - L.R. Features: Zoggs men's Boston Bay Hip Racer black swim shorts Made from a durable and snag-resistant Aqualast fabric 100% chlorine..