Cardio Running T-Shirt – Breathable HIIT Workout Tee | Muscle Up
When the pace picks up, your gear needs to keep up. The Muscle Up Cardio T-Shirt is engineered for athletes who push limits.
Purpose-built for high-intensity movement — designed to feel completely weightless so all you focus on is the run, the sprint, the grind. Nothing holds you back.
Why Athletes Choose This Tee
- 🧵 Ultra-Breathable Moisture-Wicking Fabric — High-intensity cardio means serious sweat. Our fabric works overtime, rapidly transferring heat and moisture away from your skin. Stay cool, dry, and light through every interval, hill sprint, and final push.
- ✂️ Calibrated Precision Fit — Not too tight to restrict breathing. Not too loose to flap in the wind. Perfectly balanced for dynamic, fast-paced movement with a clean modern aesthetic.
- 🎯 Zero-Chafe Ergonomic Design — Engineered around the biomechanics of endurance and agility. Unrestricted arm swing, full torso rotation, zero chafing — whether you're on the treadmill, track, or in a brutal HIIT circuit.
- 💪 Durable High-Intensity Construction — Built to survive wash after wash of high-intensity training cycles without losing shape, color, or performance.
- 🌍 Ships Worldwide — Free international shipping on qualifying orders.
Product Specifications
- Fabric: Ultra-lightweight high-breathability moisture-wicking blend
- Fit: Athletic — calibrated for dynamic movement
- Neckline: Crew neck
- Sleeve: Short sleeve
- Seams: Ergonomic flatlock — zero chafe
- Colors: Black, Blue, Gray
- Sizes: M, L, XL, 2XL
- Care: Machine wash cold, tumble dry low
Size Guide
| Size | Chest (in) | Length (in) |
|---|---|---|
| M | 38–40" | 28" |
| L | 41–43" | 29" |
| XL | 44–46" | 30" |
| 2XL | 47–49" | 31" |
Runs true to athletic size. If between sizes or prefer a relaxed fit, size up.
Frequently Asked Questions
Does it shrink after washing?
Minimal shrinkage when washed cold and tumble dried low. Follow care instructions for best results.
What size should I order?
Runs true to athletic size. If between sizes or prefer a looser fit, size up. See size chart above.
Where is this shipped from?
Orders are processed and shipped within 1–3 business days. We ship globally — Egypt, Gulf, US, Europe, and beyond.
How long does shipping take?
Egypt: 3–5 days | Gulf: 5–10 days | US & Europe: 7–14 days.
What is your return policy?
30-day hassle-free returns. Items must be unworn and in original condition. Email us to initiate a return.
Will it chafe during long runs?
No. The ergonomic flatlock seams are specifically designed to eliminate chafing during extended cardio sessions.
Shipping & Returns
🚚 Free worldwide shipping on qualifying orders
📦 30-day returns — hassle-free, no questions asked
🔒 Secure checkout — PayPal, credit/debit cards accepted
⚡ Fast processing — ships within 1–3 business days