Dial up your swim style in Boom Logo prints. Stylish in classic navy, the sporty Hyper Boom Jammer features a cool spray-paint effect Speedo Boom graphic. The sleek design includes a rubberised liner and integral support for enhanced comfort, plus a drawstring waist for a tailored fit. Made from our durable Endurance fabric, which is quick-drying and 100% chlorine resistant. One of the yarns in this fabric is made from 100% post-consumer waste, such as recycled plastic bottles.