Adidas infinitex jammers junior boys these adidas infinitex jammers are 100 chlorine resistant and offer a sublime resistance to pilling losing its shape and colour thanks to its infinitex technology sun protection is offered also thanks to its upf 50 its block coloured design features an elasticated waistband with a internal drawstring fastening and flat lock seams a large adidas logo is displayed in the leg to give you a sporty feel jammers stretchy infinitex tech