Teen boys bright yellow swim shorts by BOSS, with a white logo print on one leg. Fun to wear in the pool or sea, they are solid yellow when dry and as soon as they are exposed to water, a monogram logo pattern will show. The white elasticated waistband has the signature striped trims on the back and a drawstring to fasten and adjust on the front. Made in silky smooth fabric with soft mesh lining for comfort, they have pockets on the side seams. Product number 557597 Magic print, water-reactive Logo print & signature stripes Silky smooth with soft mesh lining Drawstring fastening Outer & lining: 100% polyester Machine wash (30*C) Exposure to sunlight & chlorine may cause fading