Slipper Size Guide | Heiwa Slipper
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Standard Slippers — Size Guide
Our slippers follow Japanese sizing (measured in cm). U.S. and EU sizes below are approximate conversions.
| Size | Japan | U.S. | EU |
| Small | 23–24cm | 5.5–6.5 | 37 |
| Medium | 25cm | 7–7.5 | 40 |
| Large | 27–28cm | 9–9.5 | 43 |
| XL | 29cm | 11 | 45 |



Sizing tips:
- If you are unsure, size up.
- If you have wider feet, size up for a more comfortable fit.
- Hand-woven and leather slippers may stretch and mold to your feet over time.
- Sizes are based on insole length, not the outsole.
- Some styles are not available in XL.
- Most slippers are for indoor use only.
- Not suitable for machine washing. Wipe clean or air dry in the sun. Leather slippers can be cared for using standard leather care methods.
We accept returns for sizing issues. Please note that original shipping costs, return postage, and any customs or import fees are non-refundable and are the customer’s responsibility.
Questions? Chat with us using the chat button at the bottom of the page.
🪵 WOOD Collection — Size Guide
WOOD Collection slippers have a different size range. Please refer to the Japanese cm size — U.S. and EU sizes are approximate.
| Size | Japan | U.S. | EU |
| Medium | 24cm | 7 | 38–39 |
| Large | 26cm | 9 | 42 |
| XL | 27.5cm | 10 | 43–44 |
🧶 KNIT Upcycle Collection — Size Guide
Each KNIT Upcycle slipper is handmade from upcycled materials, so size, weight, and stretchiness vary slightly between pairs. We offer three general size categories:
| Size | General Guide |
| Medium | Approx. 25cm |
| Large | Approx. 27–28cm |
| XL | Approx. 29cm |
Exact measurements, weight, and stretch details are listed on each product page. Please check the individual listing before ordering.
🏫 UWABAKI Collection — Size Guide
UWABAKI slippers use Japanese cm sizing. Width: 2E.
Available sizes: 22cm / 23cm / 24cm / 25cm / 26cm / 27cm / 28cm / 29cm / 30cm
Order by your foot length in cm. If between sizes, size up.
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