Race-day ready with a barely-there feel, the Light Speed React Singlet pairs targeted ventilation with ultrafine, fast-dry fabric to keep you cool at PB pace.

HeiQ Smart Temp cooling technology
Smooth bonded finishes eliminate chafe and reduce drag
Rapid moisture dispersal and cling-free fabrication
Distraction-free coverage
Strategic side splice and underarm gusset for flexibility
Reflective trims for visibility