Childrens triathlon is booming in popularity and the zone3 kids adventure print tri waist short is the perfect piece of kit for any aspiring olympians zone3 believe that great kit helps improve participation experience and enjoyment so their range of childrens kit has been designed with the same attention to detail and quality as their adults rangethe childrens adventure range of tri apparel is designed for younger athletes from the age of 8 upwards zone3 hope to help many young triathlet