Speedo USA Men's Learn to Swim Jammer Men's Swimsuits : 705672: The classic styling and performance for which Speedo(r) is renowned, is also available for pre-competitive swimmers. Perfect suit for the male taking swim lessons who spend less time in the water than competitive swimmers. Jammer styling offers more coverage to the legs. Reinforced seams. Front liner/gusset. Non-slip inner drawstring at waist. Speedo(r) logo on lower right leg. Non-chlorine resistant. Fabric: 86% Antron(r) Nylon/14% Spandex. Import, Domestic Fabric.