New Rock Sizing Guide
New Rock footwear is usually sold in European sizes. If you are comparing a pair online or replacing an older pair, start with your foot measurement rather than the size printed on another brand.
Important: AmbrogioShoes does not currently carry New Rock. We have kept this guide available because shoppers still use it as a sizing reference. Fit can vary by model, material and last, so confirm the seller's return policy before ordering.
New Rock size conversion chart
| EU | US men | US women | UK |
|---|---|---|---|
| 36 | 4 | 5 | 3.5 |
| 37 | 5 | 6 | 4.5 |
| 38 | 6 | 7 | 5.5 |
| 39 | 6.5 | 7.5 | 6 |
| 40 | 7 | 8.5 | 6.5 |
| 41 | 8 | 9.5 | 7.5 |
| 42 | 8.5 | 10 | 8 |
| 43 | 9.5 | 11 | 9 |
| 44 | 10 | 11.5 | 9.5 |
| 45 | 11 | 12.5 | 10.5 |
| 46 | 12 | 13.5 | 11.5 |
| 47 | 13 | 14.5 | 12.5 |
| 48 | 13.5 | 15 | 13 |
Conversion charts are a starting point, not a guarantee of fit. Two people who wear the same US size can need different New Rock sizes because of foot width, instep height or the shape of a particular model.
How to measure your feet
- Measure late in the day, when feet are normally at their largest.
- Wear the socks you expect to use with the boots or shoes.
- Stand on a sheet of paper and trace each foot while keeping the pencil upright.
- Measure from the back of the heel to the tip of the longest toe.
- Use the longer measurement if your feet are different sizes.
Compare that measurement with the model-specific information supplied by the seller. If you fall between sizes, sizing up is often the safer starting point, especially with thick socks, but the individual style should make the final call.
What can change the fit?
Chunky platform styles can feel roomy through the toe while still holding the heel securely. Western-inspired or pointed lasts may feel narrower at first. Leather can ease slightly with wear; synthetic materials usually change less. None of that makes a painfully tight fit acceptable.
Check width as carefully as length. If your toes are compressed, the ball of the foot sits outside the widest part of the sole, or the instep is under heavy pressure, try another size or model instead of relying on break-in.
Looking for men's boots?
If you are not set on a particular New Rock model, browse our Ambrogio men's boots. The collection includes dress, Chelsea, chukka and statement styles, with product-specific size and availability information.
Last reviewed September 2026. The chart above is a general conversion reference; model-specific guidance from the manufacturer or seller takes priority.