Reactive Flow Singlet Size:S It’s your go-to cap for

It’s your go-to cap for runs at any pace

The supportive fit helps prevent thigh rub on longer runs

Built from a Taiwanese double-knitted

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 Size:S It’s your go-to cap forThe 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.