Reactive Flow T-shirt Size:L they keep your arms covered

they keep your arms covered from chill

and easy to pack – a smart two-in-one solution for cooler runs

chemical-free moisture system – it dries up to 4× faster than cotton and keeps you fresh mile after mile

they deliver lasting comfort for both training and racing

it works seamlessly as a base layer on cold days or as a stand-alone long sleeve that feels almost weightless

Reactive Flow T-shirt Size:L they keep your arms coveredThe Flow T shirt is built for runners chasing speed and comfort in the hottest conditions. Featherlight and precision tailored, it feels almost weightless against the skin while delivering maximum breathability. Made from ultra soft, anti chafe fabric, it wicks sweat, dries fast, and keeps you cool and focused from interval sessions to race day.