In the Ultra-T Shirt by On, you perform even under the most extreme conditions. It is the solution for your ambitious training goals.

The lightweight, breathable insert on the back makes the Ultra-T super comfortable. So you can fully concentrate on your run. The bonded seams reduce friction so nothing slows you down on the trails.

The Ultra-T shirt by On was developed for long distances. The small back pocket fits the essentials, and it can be combined well with a vest. Come what may.

Features:
• Lightweight
• Smoothed and taped seams
• Reflective logo details

Fabric:
Main fabric: 85 % polyester, 15 % elastane
Back insert: 82 % polyester, 18 % elastane