Designed for long runs, endless miles, up to 50% fewer running injuries, and a running sensation that feels smooth and effortless – discover the all-new U-TECH Aion 4. New Transparent Hybrid Foam and a new Apex Rocker ensure even greater responsiveness and maximum comfort – from your daily run to an ultra marathon. Keep running always.


An independent study of 1,700 runners conducted by the German Sport University Cologne has shown that True Motion running shoes reduce the risk of running injuries by up to 50% – across all running styles. The patented U-TECH™ Technology reduces injuries on the knee, Achilles tendon, shin and back.
★★★★★ 4.6
(900+ reviews)
★★★★★
“I've tried so many things - this running shoe is the first one that has made me pain-free.”
Matthias K.
★★★★★
“Great shoes! I haven't had any problems with my knees since I started running in True Motion shoes. I'm very happy with them!”
Sabrina D.

Experience comfort on a whole new level with the U-TECH Aion 4: the new Transparent Hybrid Foam, made from EVA, TPU and TPE, combines soft cushioning, high responsiveness and long-lasting durability.
The True Motion Apex Rocker supports a smooth, biomechanically natural transition for a harmonic running sensation.
Additional comfort is provided by the new insole made from open-cell memory foam, which adapts individually to the foot.
This makes the U-TECH Aion 4 perfectly suited for long runs – and even ultra marathons.













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