Shimano’s S-PHYRE TR903 sets a new standard for comfort, power transfer, efficiency, and transition speed. Designed for sprint and Olympic distance triathlon races, the TR903 shoes feature a single wide closure strap that minimizes time in T1, which is critical for short course triathlon where transition speed is key. While built for short course racing, the TR903 shoes are a top pick for any triathlete and any distance triathlon where you want to focus on speed through the transition zones.