Super stretch 2mm shoulder and arm panels for comfortable and energy efficient swimming zone3rsquos trademark silicone coated lsquopro speed cuffsrsquo on the arm and legs cuffs to help increase speed of removal the suit is design to go on easy and come off easy bright coloured arm and leg cuffs for improved visibility in the water 3mm front body and leg panels rather than the traditional 4 5mm adult suits as children have a better natural buoyancy than adults low and comfortable neck