Footwear / adidas / Believe That 1 / adidas Believe That 1 Carbon Lucid Ray Blue (GS)
adidas Believe That 1 Carbon Lucid Ray Blue (GS) KJ0453
Carbon Lucid Ray Blue (GS) · 2026
GS = grade school sizes, EU 35½–40
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Where to buy
Sizes in stock · Across the shops below · pick yours
Verified delivery destinations
Spain.
The terms define delivery in Spain and exclude the Canary Islands, Ceuta, and Melilla. They also exclude some hazardous goods from island destinations. Standard delivery dates depend on the product; express delivery is at most two working days when offered.
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Verified delivery destinations
Germany.
The FAQ lists other Zalando markets separately. Those market links do not confirm delivery from Zalando.de.
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Verified delivery destinations
Spain.
The item result confirms home delivery to postcode 28001 in Madrid. This supports an ES sample for this item and postcode only. It does not confirm every Horma item or every Spanish postcode. The seller label “Enviado por Horma/BE/DE/ES/FR/IT/NL/PT” does not prove destination countries. Other Decathlon marketplaces need separate affiliate review.
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Price, last 90 days
Lowest recorded shop price · EUR90-day low: 47,96 €; average: 58,15 €. Today from 56,45 €, 18% above the lowest.
Fact sheet
Details
- Brand
- adidas
- Style code
- KJ0453
- Colourway
- Carbon Lucid Ray Blue (GS)
- Released
- 7 May 2026
- Retail price at launch
- ≈ 80 $
- Nickname
- Grey Three Carbon
- Manufacturer
- adidas BV (Amsterdam), Hoogoorddreef 9-A, 1101 BA Amsterdam, NL
- Gender
- Kids
Availability by size
8 sizes are in stock, from 35½ to 40.
Size conversion
EU · US · UK · A conversion chart, not stockScroll within the table to compare sizes.
This table scrolls within its region. Focus this region and use the arrow keys to compare sizes.
| EU | US | UK |
|---|---|---|
| 28 | 10.5K | 10K |
| 28 1/2 | 11K | 10.5K |
| 29 | 11.5K | 11K |
| 30 | 12K | 11.5K |
| 30 1/2 | 12.5K | 12K |
| 31 | 13K | 12.5K |
| 31 1/2 | 13.5K | 13K |
| 32 | 1Y | 13.5K |
| 33 | 1.5Y | 1Y |
| 33 1/2 | 2Y | 1.5Y |
| 34 | 2.5Y | 2Y |
| 35 | 3Y | 2.5Y |
| 35 1/2 | 3.5Y | 3Y |
| 36 | 4Y | 3.5Y |
| 36 2/3 | 4.5Y | 4Y |
| 37 1/3 | 5Y | 4.5Y |
| 38 | 5.5Y | 5Y |
| 38 2/3 | 6Y | 5.5Y |
| 39 1/3 | 6.5Y | 6Y |
| 40 | 7Y | 6.5Y |
Reference conversions only; this chart does not measure your foot or describe product fit.
About this product
Carbon forms the main tone of the adidas Believe That 1, with Lucid Ray Blue adding colour across the shoe for a sharper contrast. The Grey Three Carbon nickname reflects the darker side of the palette, while the blue keeps it from feeling flat. Released in 2026, this youth version has a balanced look that fits casual outfits and everyday activewear.
Same shoe, other colours
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|---|---|---|---|---|---|
| From today | 56,45 € | 64,35 € | 65,95 € | 92,00 € | 38,00 € |
| Shops | 2 | 27 | 25 | 25 | 23 |
| Released | 2026 | 2018 | 2025 | 2024 | 2025 |
| RRP | ≈ 80 $ | ≈ 100 $ | ≈ 100 $ | ≈ 150 $ | ≈ 120 $ |
| Material | — | Leather | Leather | Textile | Fur |

From reselling sneakers to checking prices. In Ibiza since 2019; since September 2026 we sell nothing.
Shop prices and available sizes, checked daily. The shelves are empty; the spreadsheet is not. The story









