X31 SportsTM Triathlon Race Number Belt with Six (6) Gel Loops The X31 SportsTM Triathlon Race Number Belt with Six (6) Gel Loops is perfect for improving triathlon transition times, staying fueled during long training runs and eliminating the need to pin your bib number through your clothes on race day. After years of frustration with other racing belt for triathlons with "snaps" not lining up properly with race number holes, marathon belts with gel loops that didn't hold gels the entire race, or elastic that was rough and caused chaffing, we set out to make the best transition and marathon belt for our athletes, triathletes and runners.
