Junior Hyperboom Jammer

Designed for junior training, lessons, and active swims, the Hyperboom Jammer is part of our iconic Hyperboom collection. Made from Endurance Pro fabric with four-way stretch, it resists chlorine and pilling for lasting comfort and durability. The design includes a front modesty panel liner and an internal drawcord for a secure fit. Body made of 57% polyester, 43% polyester PBT.

• Chlorine Resistant - Resists chlorine for long-lasting fabric performance
• Pilling Resistant - Fabric resists pilling for lasting durability
• Front Modesty Panel Liner - Lined at the front for comfort and modesty
• Internal Drawcord - Inside drawcord for a secure, adjustable fit
• UPF 40+ - Block the Burn UPF protection
• Endurance Pro - All the performance credentials of Endurance+, constructed from 100% yarns. Four-way stretch fabric designed for durability with chlorine and pilling resistance. Body made of 57% polyester, 43% PBT