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True to size.We recommend ordering your usual size.
A Y-3 take on performance runners.
The Y-3 Ultraboost 5 puts an elevated spin on running shoes. It features a range of subtle yet sophisticated additions to an iconic silhouette, including an all-new TPU heel cage with an embossed Yohji Yamamoto signature and an updated lace cage. An adidas PRIMEKNIT upper, a BOOST midsole and a Continental™ Rubber outsole give these trainers serious traction and cushioning.

- Regular fit
- Lace closure
- adidas PRIMEKNIT textile upper
- TPU heel cage
- BOOST midsole
- Continental™ Rubber outsole
- Y-3 logo on tongue and Yohji Yamamoto signature on heel
- Colour: Black / Black / Orbit Grey
- Product code: JR6647
4.8Rating: 4.8
Comfort
Quality
Size
Width
March 14, 2026
Best UB5
What can go wrong with the most comfy UB and it's Y-3
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February 21, 2026
Not 100%
Black / Black / Orbit Grey
Very comfy, but a bit boring. I find them to similar to the originale Ultraboost 5.
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February 8, 2026
comfortable and stylish
ultraboost are the most comfortable trainer. and these are very stylish aswell
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