Speedo jammers speedo mens endurance max tech panel jammer black grey built for training, engineered to last. Reach for our endurance max tech panel jammer for training and active swims. Cut from endurance max fabric for protection and durability, it resists chlorine, sunscreen, oil and pilling. Designed with an internal drawcord for a secure fit and a front modesty panel liner for comfort and support. Train harder. Last longer. Endurance max fabric chlorine resistant internal drawcord modesty panel liner training jammer 3 key features endurance max fabric the endurance max fabric is speedo’s most durable training material, built to withstand the rigours of regular pool sessions. Its 53% polyester and 47% pbt blend actively resists chlorine, sunscreen, oil and pilling. You get lasting shape retention and colour integrity session after session. Secure, adjustable fit an internal drawcord lets you dial in the waistband fit before you push off the wall. The jammer stays in place throughout interval sets and turns without needing readjustment. It is a practical, no-fuss detail that makes a real difference over a long training block. Front modesty panel liner the integrated front modesty panel liner adds a layer of comfort and support exactly where it counts. It eliminates the need for a separate underlayer and keeps everything secure during dynamic movement. The result is a jammer you can focus on swimming in, not thinking about. Full feature breakdown endurance max fabric re...