Take your performance to new heights with the Ultraboost 20 Running Shoes from adidas. Creating a partnership between adidas and the International Space Station (ISS) to take giant leaps in fit, comfort and responsiveness.
With a snug, sock-like fit, the adidas Ultraboost 20 Running Shoes are built for high-performance, allowing you to touchdown with control and ride with comfort.
Soft and stretchy Primeknit+ ensures great fit and flexibility, while stitched in Tailored Fibre Placement wraps the foot and delivers locked-in support.
Providing superior underfoot cushioning, the midsole contains 20% more Boost for an amplified feeling that returns energy to your stride with every footstrike.
An updated 3D Heel Frame features a stripped-back design that cradles the heel and holds it firmly in place for adaptable stability as you run.
The brands of the adidas Group complement each other in a unique way to help athletes perform better, play better, feel better. adidas products break records, set trends, make history. Every day. All over the world. It is not only about faster shoes and fashion statements. Just as a shoe is more than padding and foam, there is more to adidas than just the product. Everything adidas do is bound by one simple thought: strive to help you perform at your best. Your success is their ambition. Your defeat spurs them on to be better.
| UK Shoe | cm | EU Shoe | US Male Shoe |
| 5 | 23.3cm | 38 | 5.5 |
| 5.5 | 23.8cm | 38.6 | 6 |
| 6 | 24.2cm | 39.3 | 6.5 |
| 6.5 | 24.6cm | 40 | 7 |
| 7 | 25cm | 40.6 | 7.5 |
| 7.5 | 25.5cm | 41.3 | 8 |
| 8 | 25.9cm | 42 | 8.5 |
| 8.5 | 26.3cm | 42.6 | 9 |
| 9 | 26.7cm | 43.3 | 9.5 |
| 9.5 | 27.1cm | 44 | 10 |
| 10 | 27.6cm | 44.6 | 10.5 |
| 10.5 | 28cm | 45.3 | 11 |
| 11 | 28.4cm | 46 | 11.5 |
| 11.5 | 28.8cm | 46.6 | 12 |
| 12 | 29.3cm | 47.3 | 12.5 |
| 12.5 | 29.7cm | 48 | 13 |
| 13 | 30.1cm | 48.6 | 13.5 |
| 13.5 | 30.5cm | 49.3 | 14 |
| 14 | 31cm | 50 | 14.5 |
| 14.5 | 31.4cm | 50.6 | 15 |
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Goods are shipped from the UK. Does not include delivery charges, local taxes or import duties, if applicable.
More information on International delivery options
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