AIR JORDAN 4 RETRO 'INFRARED'
Every pair on Project Sneakers is listed in UK sizing. Use the charts below to convert to EU and US for your chosen brand — sizing runs slightly differently between brands, so always check the right table.
Nike & Air Jordan
Jordan uses the same sizing as Nike. Nike tends to run slightly narrow.
| UK | EU | US | Foot length |
|---|---|---|---|
| UK 5.5 | EU 38.5 | US 6 | 23.7 cm |
| UK 6 | EU 39 | US 6.5 | 24.1 cm |
| UK 6 | EU 40 | US 7 | 24.5 cm |
| UK 6.5 | EU 40.5 | US 7.5 | 25.0 cm |
| UK 7 | EU 41 | US 8 | 25.4 cm |
| UK 7.5 | EU 42 | US 8.5 | 25.8 cm |
| UK 8 | EU 42.5 | US 9 | 26.2 cm |
| UK 8.5 | EU 43 | US 9.5 | 26.7 cm |
| UK 9 | EU 44 | US 10 | 27.1 cm |
| UK 9.5 | EU 44.5 | US 10.5 | 27.5 cm |
| UK 10 | EU 45 | US 11 | 27.9 cm |
| UK 10.5 | EU 45.5 | US 11.5 | 28.3 cm |
| UK 11 | EU 46 | US 12 | 28.8 cm |
| UK 11.5 | EU 47 | US 12.5 | 29.2 cm |
| UK 12 | EU 47.5 | US 13 | 29.6 cm |
| UK 12.5 | EU 48 | US 13.5 | 30.0 cm |
| UK 13 | EU 48.5 | US 14 | 30.5 cm |
adidas & Yeezy
adidas runs about a half-size different to Nike and fits a touch wider.
| UK | EU | US | Foot length |
|---|---|---|---|
| UK 5 | EU 38 | US 5.5 | 23.3 cm |
| UK 5.5 | EU 38 2/3 | US 6 | 23.8 cm |
| UK 6 | EU 39 1/3 | US 6.5 | 24.2 cm |
| UK 6.5 | EU 40 | US 7 | 24.6 cm |
| UK 7 | EU 40 2/3 | US 7.5 | 25.0 cm |
| UK 7.5 | EU 41 1/3 | US 8 | 25.5 cm |
| UK 8 | EU 42 | US 8.5 | 25.9 cm |
| UK 8.5 | EU 42 2/3 | US 9 | 26.3 cm |
| UK 9 | EU 43 1/3 | US 9.5 | 26.7 cm |
| UK 9.5 | EU 44 | US 10 | 27.1 cm |
| UK 10 | EU 44 2/3 | US 10.5 | 27.6 cm |
| UK 10.5 | EU 45 1/3 | US 11 | 28.0 cm |
| UK 11 | EU 46 | US 11.5 | 28.4 cm |
| UK 11.5 | EU 46 2/3 | US 12 | 28.8 cm |
| UK 12 | EU 47 1/3 | US 12.5 | 29.3 cm |
| UK 12.5 | EU 48 | US 13 | 29.7 cm |
| UK 13 | EU 48 2/3 | US 13.5 | 30.1 cm |
ASICS
Generally true to size.
| UK | EU | US | Foot length |
|---|---|---|---|
| UK 6 | EU 40 | US 7 | 25.0 cm |
| UK 6.5 | EU 40.5 | US 7.5 | 25.5 cm |
| UK 7 | EU 41.5 | US 8 | 26.0 cm |
| UK 7.5 | EU 42 | US 8.5 | 26.5 cm |
| UK 8 | EU 42.5 | US 9 | 27.0 cm |
| UK 8.5 | EU 43 | US 9.5 | 27.5 cm |
| UK 9 | EU 44 | US 10 | 28.0 cm |
| UK 9.5 | EU 44.5 | US 10.5 | 28.5 cm |
| UK 10 | EU 45 | US 11 | 29.0 cm |
| UK 10.5 | EU 45.5 | US 11.5 | 29.5 cm |
| UK 11 | EU 46.5 | US 12 | 30.0 cm |
| UK 12 | EU 47.5 | US 13 | 31.0 cm |
New Balance
True to size, available in multiple widths (D is standard).
| UK | EU | US | Foot length |
|---|---|---|---|
| UK 6.5 | EU 40 | US 7 | 25.0 cm |
| UK 7 | EU 40.5 | US 7.5 | 25.5 cm |
| UK 7.5 | EU 41.5 | US 8 | 26.0 cm |
| UK 8 | EU 42 | US 8.5 | 26.5 cm |
| UK 8.5 | EU 42.5 | US 9 | 27.0 cm |
| UK 9 | EU 43 | US 9.5 | 27.5 cm |
| UK 9.5 | EU 44 | US 10 | 28.0 cm |
| UK 10 | EU 44.5 | US 10.5 | 28.5 cm |
| UK 10.5 | EU 45 | US 11 | 29.0 cm |
| UK 11 | EU 45.5 | US 11.5 | 29.5 cm |
| UK 11.5 | EU 46.5 | US 12 | 30.0 cm |
| UK 12 | EU 47 | US 12.5 | 30.5 cm |
| UK 12.5 | EU 47.5 | US 13 | 31.0 cm |
UGG — Women's
| UK | EU | US | Foot length |
|---|---|---|---|
| UK 3 | EU 36 | US 5 | 22.0 cm |
| UK 3.5 | EU 36.5 | US 5.5 | 22.5 cm |
| UK 4 | EU 37 | US 6 | 23.0 cm |
| UK 4.5 | EU 37.5 | US 6.5 | 23.5 cm |
| UK 5 | EU 38 | US 7 | 24.0 cm |
| UK 5.5 | EU 38.5 | US 7.5 | 24.5 cm |
| UK 6 | EU 39 | US 8 | 25.0 cm |
| UK 6.5 | EU 39.5 | US 8.5 | 25.5 cm |
| UK 7 | EU 40 | US 9 | 26.0 cm |
| UK 7.5 | EU 40.5 | US 9.5 | 26.5 cm |
| UK 8 | EU 41 | US 10 | 27.0 cm |
| UK 8.5 | EU 41.5 | US 10.5 | 27.5 cm |
| UK 9 | EU 42 | US 11 | 28.0 cm |
UGG — Men's
| UK | EU | US | Foot length |
|---|---|---|---|
| UK 5 | EU 39 | US 6 | 24.0 cm |
| UK 5.5 | EU 39.5 | US 6.5 | 24.5 cm |
| UK 6 | EU 40 | US 7 | 25.0 cm |
| UK 6.5 | EU 40.5 | US 7.5 | 25.5 cm |
| UK 7 | EU 41 | US 8 | 26.0 cm |
| UK 7.5 | EU 41.5 | US 8.5 | 26.5 cm |
| UK 8 | EU 42 | US 9 | 27.0 cm |
| UK 8.5 | EU 42.5 | US 9.5 | 27.5 cm |
| UK 9 | EU 43 | US 10 | 28.0 cm |
| UK 9.5 | EU 43.5 | US 10.5 | 28.5 cm |
| UK 10 | EU 44 | US 11 | 29.0 cm |
| UK 10.5 | EU 44.5 | US 11.5 | 29.5 cm |
| UK 11 | EU 45 | US 12 | 30.0 cm |
| UK 12 | EU 46 | US 13 | 31.0 cm |
- Low stock - 1 item left
- Backordered, shipping soon
- 100% authentic — every pair verified in-house before it ships
- Fast UK tracked delivery — next-day options at checkout
- Free 30-day returns & exchanges
The Air Jordan 4 Retro arrives in a striking infrared colourway that balances boldness with refined restraint. Black leather forms the foundation whilst infrared accents punctuate the design—hitting the midsole, collar, and key detailing with purposeful contrast.
This is the iconic Jordan 4 silhouette in its element: clean lines, structured construction, and the distinctive wings and netting that define the model. A timeless combination that translates seamlessly from court to street.
Authenticity. Every pair is 100% authenticated in-house before dispatch — Project Sneakers Ltd, rated Excellent on Trustpilot.
Delivery. Fast UK tracked delivery, with next-day options at checkout.
Returns. Hassle-free 30-day returns and exchanges.
