| US Men Size | Foot Length (in) | Ball Girth (in) |
|---|---|---|
| 7 | 9.4–9.6 | 8.6–8.8 |
| 8 | 9.8–10.0 | 8.8–9.0 |
| 9 | 10.2–10.4 | 9.0–9.2 |
| 10 | 10.6–10.8 | 9.2–9.4 |
| 11 | 11.0–11.2 | 9.4–9.6 |
| 12 | 11.4–11.6 | 9.6–9.8 |
| US Women Size | Foot Length (in) | Ball Girth (in) |
|---|---|---|
| 6 | 8.7–8.9 | 7.9–8.1 |
| 7 | 9.1–9.3 | 8.1–8.3 |
| 8 | 9.5–9.7 | 8.3–8.5 |
| 9 | 9.9–10.1 | 8.5–8.7 |
| 10 | 10.3–10.5 | 8.7–8.9 |
| 11 | 10.7–10.9 | 8.9–9.1 |
* All measurements are in inches. Measure foot length while standing with weight on your feet.
* For hiking & climbing use, we recommend sizing up 0.5 size to accommodate thick socks and foot swelling.
* Actual fit may vary by shoe last, toe box shape and material rigidity.
We took our original hybrid comfort shoe and made it smarter. Lighter in weight, lighter on the planet, with a crushback heel that makes it more comfortable and wearable than ever. It’s Whyser!


