Maru pacer junior boys jammers these maru pacer jammers are a stretchy construction that features flat lock seams and a upf 50 an internal drawstring fastening offers a secure and comfortable fit whilst swimming its block coloured design is couple with two patterned panelling down each leg for a stylish and fashionable finish jammers stretchy flat lock seams internal drawstring upf 50 patterned panels maru branding 100 polyester hand wash only green 9 10