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Radical AirFlow is a wildly ambitious fabric centered on cranking up the A/C. Built to maximise the Radical AirFlow innovation, the long-sleeve, race-ready top is designed to allow more air to flow directly to your skin as you push pace. Worn and tested by elite ACG Trail -Running athletes, Radical AirFlow produced peak results. Your turn to feel the chill.
ACG Radical AirFlow NXT
REVOLUTIONARY INNOVATION FOR ATHLETES IN MOTION.
Radical AirFlow is a wildly ambitious fabric centered on cranking up the A/C. Built to maximise the Radical AirFlow innovation, the long-sleeve, race-ready top is designed to allow more air to flow directly to your skin as you push pace. Worn and tested by elite ACG Trail -Running athletes, Radical AirFlow produced peak results. Your turn to feel the chill.
Radical AirFlow features an extremely breathable, open-hole construction to help channel more airflow directly to your skin for rapid sweat evaporation while you move. Engineered air ducts are designed to accelerate airflow to help maximise your body's natural cooling mechanisms.
Ultra-versatile and built for superior mobility and cooling, the soft, open-hole knit fabric throughout the garment features engineered air ducts in high-heat, high-chafe zones—designed to help you stay cool and comfy for all the miles ahead.
As one of the largest field test initiatives in Nike Running history, members of the All Conditions Racing Department (ACRD) tested the prototype throughout the 2025 elite season. Nike designers tracked feedback from in-race and lab testing to refine the garment. Elite trail runner and ACRD athlete, Caleb Olson wore his prototype en route to winning a grueling 2025 100-mile endurance run, clocking the second-fastest course time in the race's history.
Standard delivery costs 115 kr for non-Nike Members under 1 500 kr and Nike Members under 750 kr.
Free 30‑day returns, some exclusions apply.
5 stars
ALL CONDITIONS means… kill the heat!!
8deuce -
WET IT UP!!! This thing turns into a A/C unit when you throw water on it and run! Took it on a 90 degree day with 85% humidity and my run was quite pleasant! Running with it dry is cool, but when it’s watered down! Game changer!
Overland Park, KS Runner 🏃♂️
bluevalley913 -
NIke Just Did It! This is worlds 1st running “Super Shirt”…..Running in this instead of usual shirtless iKansas thick humidity and dew points that are sky high. Heart Rate is lower due to the material engineering and that evaporates the sweat. Cool sensation feeling…. Gently hangs off body and crop at midriff is spot on.
Too Cool
RyanH276709800 -
I was sent this shift by ACG on Instagram, HOLEY SHIRT indeed! This is top tier and one of the coolest shirts literally and figuratively.
ACG Radical AirFlow NXT
Designed For
Engineered To
Ventilation To
Engineered air ducts that accelerate airflow to the skin so it feels like a windstorm strapped to your torso.
From Nike Sports Research Lab climate chambers to podium finishes. 50 elite athletes, 1,000 hours of suffer-festing. Measured against all the what-ifs.
Ventilation at arm bend and under arm. Cropped waist for belt accessibility. Sleeve length optimised for watch visibility.
Caleb Olson
ACG Athlete, 2025 Western States 100 champion