Let him show off his bad boy style at the beach in the Billabong Bad Billys Layback Swim Shorts. These swim trunks are constructed with an elasticized drawstring waist, diagonal stripe back flap pocket and a water-repellent coating to help keep him dry. The coolest feature about these boardshorts is a UV technology that changes the color from a black and white print to a black and hot pink print when exposed to the sunlight making this his new favorite suit for sure! Made from recycled PET plastic bottles. 100% recycled polyester. Machine wash, tumble dry.