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adidas AlphaBoost
adidas · Style FW4523
from $279.95
Select a size:
Size chart — adidas
Use the chart below to convert between US, UK, EU and JP sizes.
Men
| US | UK | EU | JP (cm) |
|---|---|---|---|
| 4 | 3.5 | 36 | 22.1 |
| 4.5 | 4 | 36 2/3 | 22.5 |
| 5 | 4.5 | 37 1/3 | 22.9 |
| 5.5 | 5 | 38 | 23.3 |
| 6 | 5.5 | 38 2/3 | 23.8 |
| 6.5 | 6 | 39 1/3 | 24.2 |
| 7 | 6.5 | 40 | 24.6 |
| 7.5 | 7 | 40 2/3 | 25.0 |
| 8 | 7.5 | 41 1/3 | 25.5 |
| 8.5 | 8 | 42 | 25.9 |
| 9 | 8.5 | 42 2/3 | 26.3 |
| 9.5 | 9 | 43 1/3 | 26.7 |
| 10 | 9.5 | 44 | 27.1 |
| 10.5 | 10 | 44 2/3 | 27.6 |
| 11 | 10.5 | 45 1/3 | 28.0 |
| 11.5 | 11 | 46 | 28.4 |
| 12 | 11.5 | 46 2/3 | 28.8 |
| 12.5 | 12 | 47 1/3 | 29.3 |
| 13 | 12.5 | 48 | 29.7 |
| 13.5 | 13 | 48 2/3 | 30.1 |
| 14 | 13.5 | 49 1/3 | 30.5 |
| 14.5 | 14 | 50 | 31.0 |
| 15 | 14.5 | 50 2/3 | 31.4 |
| 16 | 15 | 51 1/3 | 31.8 |
| 17 | 16 | 52 2/3 | 32.6 |
| 18 | 17 | 53 1/3 | 33.5 |
| 19 | 18 | 54 2/3 | 34.3 |
| 20 | 19 | 55 2/3 | 35.2 |
Women
| US | UK | EU | JP (cm) |
|---|---|---|---|
| 5 | 3.5 | 36 | 22.1 |
| 5.5 | 4 | 36 2/3 | 22.5 |
| 6 | 4.5 | 37 1/3 | 22.9 |
| 6.5 | 5 | 38 | 23.3 |
| 7 | 5.5 | 38 2/3 | 23.8 |
| 7.5 | 6 | 39 1/3 | 24.2 |
| 8 | 6.5 | 40 | 24.6 |
| 8.5 | 7 | 40 2/3 | 25.0 |
| 9 | 7.5 | 41 1/3 | 25.5 |
| 9.5 | 8 | 42 | 25.9 |
| 10 | 8.5 | 42 2/3 | 26.3 |
| 10.5 | 9 | 43 1/3 | 26.7 |
| 11 | 9.5 | 44 | 27.1 |
| 11.5 | 10 | 44 2/3 | 27.6 |
| 12 | 10.5 | 45 1/3 | 28.0 |
| 12.5 | 11 | 46 | 28.4 |
| 13 | 11.5 | 46 2/3 | 28.8 |
| 13.5 | 12 | 47 1/3 | 29.3 |
| 14 | 12.5 | 48 | 29.7 |
| 14.5 | 13 | 48 2/3 | 30.1 |
| 15 | 13.5 | 49 1/3 | 30.5 |
| 15.5 | 14 | 50 | 31.0 |
Kids
| US | UK | EU | JP (cm) |
|---|---|---|---|
| 1k | 0k | 16 | 8.1 |
| 2k | 1k | 17 | 9.0 |
| 3k | 2k | 18 | 9.8 |
| 4k | 3k | 19 | 10.6 |
| 5k | 4k | 20 | 11.5 |
| 5.5k | 5k | 21 | 12.3 |
| 6k | 5.5k | 22 | 12.8 |
| 6.5k | 6k | 23 | 13.2 |
| 7k | 6.5k | 23.5 | 13.6 |
| 7.5k | 7k | 24 | 14.0 |
| 8k | 7.5k | 25 | 14.5 |
| 8.5k | 8k | 25.5 | 14.9 |
| 9k | 8.5k | 26 | 15.3 |
| 9.5k | 9k | 26.5 | 15.7 |
| 10k | 9.5k | 27 | 16.1 |
| 10.5k | 10k | 28 | 16.6 |
| 11k | 10.5k | 28.5 | 17.0 |
| 11.5k | 11k | 29 | 17.4 |
| 12k | 11.5k | 30 | 17.8 |
| 12.5k | 12k | 30.5 | 18.3 |
| 13k | 12.5k | 31 | 18.7 |
| 13.5k | 13k | 31.5 | 19.1 |
| 1 | 13.5k | 32 | 19.5 |
| 1.5 | 1 | 33 | 20.0 |
| 2 | 1.5 | 33.5 | 20.4 |
| 2.5 | 2 | 34 | 20.8 |
| 3 | 2.5 | 35 | 21.2 |
| 3.5 | 3 | 35.5 | 21.6 |
| 4 | 3.5 | 36 | 22.1 |
| 4.5 | 4 | 36 2/3 | 22.5 |
| 5 | 4.5 | 37 1/3 | 22.9 |
| 5.5 | 5 | 38 | 23.3 |
| 6 | 5.5 | 38 2/3 | 23.8 |
| 6.5 | 6 | 39 1/3 | 24.2 |
| 7 | 6.5 | 40 | 24.6 |
| 7.5 | 7 | 40 2/3 | 25.0 |
Size, price & UPC details
| Size | Price | UPC | Delivery |
|---|---|---|---|
| US M 9.5 / W 10.5 | $279.95 | — | 3-4 business days |
About the adidas AlphaBoost
| Silhouette | AlphaBoost |
|---|---|
| Colorway | White |
What buyers say about us
Selected customer feedback. Feedback about our store and the buying experience, from sold.supply, eBay and Trustpilot. The source and purchase verification are shown on each card. These are not product ratings.
Fast shipper and I’m glad I found them
Fast shipper and I’m glad I found them. I have been looking for these bred 11s for the longest. The sneakers were authentic and nicely boxed. I will definitely order from this store again.Purchased item
Air Jordan 11 Retro 'Bred' 2019
everything was great timely perfect…
everything was great timely perfect condition and great pricePurchased item
Jordan 9 Retro OG Space Jam (2026)
★★★★★Verified eBay purchase
Seller was quick to ship the item, it was packed very well, which is good, because FedEx did not treat the box kindly, lol. The shoe’s survived in great shape and are exactly as described. Thanks! A++++ seller.
Purchased item
Nike C1TY 'Red Stardust'
★★★★★Verified eBay purchase
Recomendado el vendedor muchas gracias por el producto el envío rápido y eficiente en su caja original sellado y protegido tal como se veía en fotos
Purchased item
Nike Air Kukini SE 'Topography'