Reactive Flow Singlet Size:S it works seamlessly under all

it works seamlessly under all our tops and jackets for year-round performance

it brings a sporty yet timeless vibe

Distinctive design - performance at the core

and so thin you’ll feel fully in sync with your shoes

they’re equally reliable for daily miles

Reactive Flow Singlet Size:S it works seamlessly under allThe 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.