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Discover the ultimate in performance and style with the Ultra-T T-shirt by On Running. Designed specifically for men who love to run, this fitted T-shirt is crafted from 85% recycled polyester and 15% elastane, ensuring both comfort and sustainability. Its vibrant yellow color is perfect for any season, making sure you stand out on the trail.
The Ultra-T is not just about looks; it’s packed with functionality. The breathable and reflective material keeps you cool and visible, while the fitted design ensures optimal movement. Plus, it’s trail-ready, so you can conquer any terrain with confidence.
Elevate your running experience with a T-shirt that’s as committed to performance as you are. Check the size table for On - Men's clothing to find your perfect fit. Embrace the future of sustainable sportswear with the Ultra-T.

More than 16 years we motivate you to go out and run. Faster. With us. Every day.