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Your go-to layer for every season.
The RUNNR CoreFlex Quarter-Zip combines lightweight breathability with a sleek athletic fit — keeping you dry, comfortable, and focused during every run, ride, or workout.
✅ Quick-dry, sweat-wicking fabric
✅ 4-way stretch for full mobility
✅ Quarter-zip design for adjustable ventilation
✅ Ideal for running, gym, or casual wear
💥 Now 70% OFF + free worldwide shipping!

The RUNNR CoreFlex Quarter-Zip is engineered for performance — a perfect balance between warmth and breathability. Its technical fabric keeps moisture away, while the streamlined cut moves effortlessly with your body.
Wear it as a base layer on cold days or solo on mild runs — either way, you’ll feel light, dry, and ready to perform.
Moisture-wicking, quick-dry fabric — stay dry and comfortable
4-way stretch — unrestricted movement for training or running
Quarter-length zipper — customize airflow as intensity rises
Stand collar — extra protection against the wind
Athletic slim fit — built to layer or wear solo
90% polyester / 10% spandex
Machine wash cold (30°C)
Air dry only
⊘ Do not bleach or tumble dry
Fits true to size with an athletic silhouette.
If you prefer a looser fit, order one size up.
📸 Model is 180 cm / 75 kg wearing size XL.
Outdoor runs & gym sessions
Cycling & training
Daily wear & travel
Layering in cold-weather workouts
At RUNNR, we create performance wear that helps you push past limits — from early-morning miles to late-night gym sessions.
Every piece is made with premium, durable, and eco-conscious materials, designed to last season after season.
Our mission is simple: make performance feel effortless, so you can focus on becoming your best version.
✔️ Machine wash cold (30°C)
✔️ Air dry only — inside and out
⊘ Do not bleach
⊘ Do not tumble dry
⊘ Do not dry clean
We offer free standard shipping on all orders — On orders above $50.
All orders are packed and shipped within 24–48 hours from our fulfillment centers.
Returns & Exchanges
You can return or exchange any item within 30 days of delivery.
To be eligible, products must be unused, unwashed, and in their original packaging.
Why Order from RUNNR?
✔️ Free worldwide shipping — On orders above $50.
✔️ 24–48h dispatch on all orders
✔️ Secure payments via Mastercard, Visa, PayPal & more
✔️ 30-day return policy
✔️ 1000+ satisfied customers globally







Every product we make is engineered with one goal: give you the most comfortable, distraction-free run possible.
No big-brand markups. No overhyped "performance tech." Just reliable gear that actually solves real problems runners face — heat, sweat, bounce, chafing, and storage.
That's why over 15,000+ runners worldwide choose RUNNR for their daily miles.
Everything is designed to stay in place — no bounce, no chafe, no irritation.
Quick-dry, breathable, lightweight fabrics tested in 30°C+ climates.
Pockets that actually work — anti-bounce phone pocket, secure zipper pocket, gel pocket.
Top-tier performance without the overpriced "big brand" markup.
Run in it, sweat in it — if you're not impressed, send it back.
Not influencers. Not hype. Just real runners putting in the miles.
Our gear is built for men who push limits — combining comfort, performance fabrics, and a clean design that keeps you moving.
Check our size guide on each product page. If you’re between sizes, we recommend going one size up for the best fit.
We ship worldwide. Standard delivery times:
es. If your item doesn’t fit or you’re not satisfied, you can return it within 30 days of delivery.
Once your order ships, you’ll get a tracking link by email so you can follow your package in real time.
Yes. Wash cold, hang dry. Avoid bleach and ironing to keep the fabrics performing longer.
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