Size Guide
All sizes listed in UK sizing
| UK | EU | Foot length |
|---|---|---|
| 6 | 39 | 24.5 cm |
| 6.5 | 40 | 25.0 cm |
| 7 | 40.5 | 25.4 cm |
| 7.5 | 41 | 25.8 cm |
| 8 | 42 | 26.2 cm |
| 8.5 | 42.5 | 26.7 cm |
| 9 | 43 | 27.1 cm |
| 9.5 | 44 | 27.5 cm |
| 10 | 44.5 | 27.9 cm |
| 10.5 | 45 | 28.3 cm |
| 11 | 46 | 28.8 cm |
| 11.5 | 46.5 | 29.2 cm |
| 12 | 47 | 29.6 cm |
| 12.5 | 48 | 30.0 cm |
| 13 | 48.5 | 30.5 cm |
| 13.5 | 49 | 30.9 cm |
| 14 | 49.5 | 31.3 cm |
| UK | EU | Foot length |
|---|---|---|
| 3 | 36 | 22.0 cm |
| 3.5 | 36.5 | 22.4 cm |
| 4 | 37 | 22.9 cm |
| 4.5 | 37.5 | 23.3 cm |
| 5 | 38 | 23.7 cm |
| 5.5 | 39 | 24.1 cm |
| 6 | 39.5 | 24.6 cm |
| 6.5 | 40 | 25.0 cm |
| 7 | 41 | 25.4 cm |
| 7.5 | 41.5 | 25.8 cm |
| 8 | 42 | 26.2 cm |
| 8.5 | 42.5 | 26.7 cm |
| 9 | 43 | 27.1 cm |
| 9.5 | 44 | 27.5 cm |
| 10 | 44.5 | 27.9 cm |
| UK | EU | Foot length |
|---|---|---|
| 6C | 22 | 13.5 cm |
| 7C | 23 | 14.5 cm |
| 7.5C | 24 | 15.0 cm |
| 8C | 25 | 15.5 cm |
| 9C | 26 | 16.0 cm |
| 10C | 27 | 16.5 cm |
| 10.5C | 28 | 17.0 cm |
| 11C | 29 | 17.5 cm |
| 12C | 30 | 18.5 cm |
| 13C | 31 | 19.0 cm |
| 1 | 32 | 19.5 cm |
| 1.5 | 33 | 20.5 cm |
| 2 | 34 | 21.0 cm |
| 2.5 | 35 | 21.5 cm |
| 3 | 36 | 22.0 cm |
C = child sizes. From size 1, kids move into junior/youth sizing.
How to Measure Your Foot
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Place your foot flat on a sheet of paper
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Mark the heel and the longest toe
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Measure the distance between both points
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Compare your measurement with the chart above
Fit Tip
If you're between sizes, we recommend choosing the larger size for a more comfortable fit.
Sizing may slightly vary depending on the brand or model.
Innovated for more cushion, more comfort and less weight for a run like no other, the Ultraboost 5 is here to harness your running energy. This shoe's midsole is made with Light BOOST V2, our highest energy return cushioning system. Ultraboost 5 also features moulded external heel support to provide optimised support where it's needed. The PRIMEKNIT upper creates the ultimate fit while our Torsion System provides next level guidance all the way through your gait. And finally, the world-class grip of the Continental™ outsole enables the perfect traction and transition.This product features at least 20% recycled materials. By reusing materials that have already been created, adidas help to reduce waste and our reliance on finite resources and reduce the footprint of the products adidas make.
• Regular fit
• Lace closure
• Textile upper
• Textile lining
• Torsion System
• Light BOOST V2
• Weight: 292 g (size UK 8.5)
• Midsole drop: 10 mm (heel 39 mm / forefoot 29 mm)
• Continental™ Rubber outsole
• Contains at least 20% recycled content
Care & Material
Textile Upper
We process all orders within 1–2 business days.
Delivery within the United Kingdom takes approximately 5–8 business days.
We offer free delivery across the UK.
Once your order has been dispatched, you will receive a confirmation email containing your tracking number, allowing you to track your parcel.
You may return your order free of charge within 30 days of receipt. Items must be unused, in their original condition, and returned in their original packaging.
To initiate a return, please contact our customer service team. Once your return has been approved and received, we will process your refund or exchange as soon as possible.
