Reactive Flow Singlet YGroup_blazehalfzipfleece and anti-cling comfort

and anti-cling comfort

they’re a trusted everyday companion you’ll also reach for on race day

not too loose

and made to perform across all running paces

with refined detailing and full freedom of movement — it’s a pinnacle shell designed for the runner who demands the very best

Reactive Flow Singlet YGroup_blazehalfzipfleece and anti-cling comfortThe Flow Singlet is engineered for peak performance when the heat is on. Weighing only 45g (size M), it delivers an ultra light, race ready feel with a racer back cut and generous arm openings for total freedom. Made from ultra soft, anti chafe fabric, it wicks sweat, dries exceptional fast, and keeps you cool and focused from all out intervals to race day.