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Radical AirFlow is a wildly ambitious fabric centered on cranking up the A/C. Built to maximize 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 Open-Hole Construction
"Radical AirFlow features a wildly breathable, open-hole construction to help channel more airflow directly to your skin for rapid sweat evaporation while you move" — the engineered knit uses a perforated structure that lets air flow through the fabric to the skin, not just across the surface. "Engineered air ducts are designed to accelerate airflow to help maximize your body's natural cooling mechanisms" — the perforations are tuned to amplify the body's evaporative cooling, releasing heat faster than a standard knit during high-output running.
Engineered Air Ducts in High-Heat Zones
"The soft, open-hole knit fabric throughout the garment features engineered air ducts in high-heat, high-chafe zones" — the air ducts are placed exactly where the body runs hottest and chafes most: along the upper back, under the arms, and down the sides. The targeted ventilation keeps the runner cool in the spots that matter during long, hard efforts, while leaving the chest and shoulders more covered for sun protection.
Nike Dri-FIT Sweat-Wicking
"Nike Dri-FIT technology moves sweat away from your skin for quicker evaporation" — Dri-FIT pulls moisture to the fabric surface where it evaporates faster than on the skin, keeping the runner drier on long, high-output trail miles. The combination of Dri-FIT moisture management and the open-hole AirFlow construction is what makes the top so effective at cooling — sweat evaporates faster when the fabric breathes.
Ultra-Breathable Soft Knit
"Ultra-breathable, open-hole knit feels soft and smooth on your body" — the knit feels softer and smoother than a traditional technical mesh, eliminating the scratchy or abrasive feel that can distract on long runs. The hand-feel is closer to a performance tee than a perforated panel, making the top comfortable against bare skin for racing and long training days.
Fold-Over Elastic Trim
"Fold-over elastic trim helps hold the top in place while you move" — the elastic trim at the cuffs and hem seals the garment against the body so the fabric doesn't ride up or flap during high-output running. The trim is soft and low-profile, so it stays comfortable under a pack or against the skin during long race efforts.
Race-Ready Long-Sleeve Cut
"Built to maximize 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" — the long-sleeve cut provides sun protection on exposed ridges while the open-hole knit keeps the arms from overheating. The race-ready cut is built for hard efforts, with a streamlined silhouette that minimizes fabric drag on the trail.
Tested by Elite ACRD Athletes
"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" — the top was refined through in-race and lab testing by Nike's elite trail running team. "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" — proven at the highest level of the sport, with a 100-mile win to its name.
ACG + ACRD Branding
"ACG branding on chest" + "All Condition Racing Department (ACRD) branding on back" — the chest ACG logo and back ACRD branding mark the top as a member of Nike's elite racing-team apparel line. The understated branding keeps the focus on the technical performance of the AirFlow knit.
General
Category
Trail Running Top (Women's)
Best For
Elite Trail Racing, Hot-Weather Trail Running, High-Output Effort
Materials
Fabric
100% Polyester (Radical AirFlow Open-Hole Knit)
Moisture Management
Nike Dri-FIT Technology + Engineered Air Ducts
Construction
Sleeve
Long-Sleeve (Sun Protection + AirFlow Cooling)
Trim
Fold-Over Elastic (Cuffs + Hem)
Branding
ACG (Chest) + ACRD (Back)
Athletic Testing
All Conditions Racing Department (ACRD) — 2025 Elite Season
Origin
Imported
Machine Wash
Machine wash cold on a gentle cycle with like colors. Turn the top inside-out before washing to protect the open-hole knit structure and the printed graphics. Avoid bleach, fabric softeners, and harsh detergents, which can clog the engineered air ducts, degrade the Dri-FIT treatment, and damage the soft knit surface.
Drying
Tumble dry on low heat or hang to air dry. The polyester knit dries quickly on its own — air drying is recommended to extend the life of the AirFlow perforations, the Dri-FIT treatment, the fold-over elastic trim, and the reflective-free finish. Avoid high heat, which can warp the open-hole knit, melt the elastic trim, and degrade the printed ACG and ACRD graphics.
Storage
Store in a cool, dry place away from direct sunlight. Hang dry or fold loosely to maintain the open-hole knit structure and prevent creasing at the elastic trim. Avoid storing the top in damp conditions or stuffed into a pack for long periods, which can stretch the elastic trim and compress the engineered air ducts.
Performance Fabric Care
The open-hole AirFlow knit is the top's signature feature — keeping the perforations clear is what makes the cooling work. Avoid washing the top with heavy lint-producing items (like fleece or towels) that can clog the air ducts. If the knit looks dull or less breathable after many washes, a gentle rinse in cool water without detergent can clear out residue and restore the airflow.
Shipping Policy
Components:
All component items (wheels, drivetrains, suspension, brakes, etc.) ship within 4-7 business days of purchase.
Bicycles:
Complete bikes typically ship within 2–3 weeks due to build, tuning, and inspection times. You will receive tracking information as soon as your order is ready to ship.
Gear & Apparel:
Outdoor Gear and apparel orders (helmets, jerseys, gloves, etc.) ship within 5-21 business days. Please reach out to us with the most up to date deliveries times as they vary per Manufacturer.
Returns & Exchanges:
If you received the wrong size or wish to exchange an item, it must be returned in original condition—unused, uninstalled, and with all packaging intact.
For full details, please see our Refund Policy before initiating a return.
