The Speedo Hyper Boom Placement V-Cut Jammer delivers a sleek look with an iconic Boom logo in a ‘shattered’ grey and black print. Enhancing comfort and support, the jammers feature an integral support system and are engineered with v-cut panels. The drawstring waist provides a tailored fit and feel. The Hyper Boom Placement V-Cut Jammers are made with Speedo’s latest, super-durable, eco-friendly ECO Endurance+ fabric which is quick-drying and 100% chlorine resistant.