Size Guide
All measurements are approximate. When between sizes, we recommend sizing up.
Reef Walkers — Unisex
Measurements are footbed sole dimensions (W × L). Use your regular US shoe size.
Kewalos
| US | EU | UK | JP (cm) | W × L (in) |
|---|---|---|---|---|
| 5 | 37 | 3.5 | 23 | 3.75" × 9.5" |
| 6 | 38 | 4.5 | 24 | 3.75" × 9.875" |
| 7 | 39–40 | 5.5 | 25 | 3.75" × 10.25" |
| 8 | 41 | 6.5 | 26 | 4" × 10.625" |
| 9 | 42 | 7.5 | 27 | 4" × 10.85" |
| 10 | 43 | 8.5 | 28 | 4" × 11" |
| 11 | 44–45 | 9.5 | 29 | 4.25" × 12" |
| 12 | 46 | 10.5 | 30 | 4.25" × 12.375" |
| 13 | 47 | 11.5 | 31 | 4.25" × 12.75" |
Kewalos Nui
| US | EU | UK | JP (cm) | W × L (in) |
|---|---|---|---|---|
| 5 | 37 | 3.5 | 23 | 3.875" × 9.5" |
| 6 | 38 | 4.5 | 24 | 3.5" × 9.625" |
| 7 | 39–40 | 5.5 | 25 | 3.625" × 10.25" |
| 8 | 41 | 6.5 | 26 | 3.75" × 10.375" |
| 9 | 42 | 7.5 | 27 | 3.875" × 10.625" |
| 10 | 43 | 8.5 | 28 | 4" × 10.875" |
| 11 | 44–45 | 9.5 | 29 | 4.25" × 11.625" |
| 12 | 46 | 10.5 | 30 | 4.375" × 12" |
Kewalos Kai
| US | EU | UK | JP (cm) | W × L (in) |
|---|---|---|---|---|
| 5 | 37 | 3.5 | 23 | 3.35" × 9.65" |
| 6 | 38 | 4.5 | 24 | 3.54" × 9.84" |
| 7 | 39–40 | 5.5 | 25 | 3.54" × 10.04" |
| 8 | 41 | 6.5 | 26 | 3.74" × 10.43" |
| 9 | 42 | 7.5 | 27 | 3.94" × 10.83" |
| 10 | 43 | 8.5 | 28 | 4.13" × 11.22" |
| 11 | 44–45 | 9.5 | 29 | 4.33" × 11.81" |
| 12 | 46 | 10.5 | 30 | 4.53" × 12.00" |
| 13 | 47 | 11.5 | 31 | 4.53" × 12.20" |
Men's
Use your regular US men's shoe size.
| US Men's | EU | UK | JP (cm) |
|---|---|---|---|
| 7 | 39–40 | 6 | 25 |
| 8 | 41 | 7 | 26 |
| 9 | 42 | 8 | 27 |
| 10 | 43 | 9 | 28 |
| 11 | 44–45 | 10 | 29 |
| 12 | 46 | 11 | 30 |
| 13 | 47 | 12 | 31 |
Women's
Use your regular US women's shoe size.
| US Women's | EU | UK | JP (cm) |
|---|---|---|---|
| 5 | 35–36 | 3 | 22 |
| 6 | 36–37 | 4 | 23 |
| 7 | 37–38 | 5 | 24 |
| 8 | 38–39 | 6 | 25 |
| 9 | 39–40 | 7 | 26 |
| 10 | 40–41 | 8 | 27 |
| 11 | 41–42 | 9 | 28 |
Kids'
Toddler (sizes 5–10)
Kewalos Toddler
| US Toddler | EU | UK | W × L (in) |
|---|---|---|---|
| 5 | 20–21 | 4.5 | 2" × 5.25" |
| 6 | 22 | 5.5 | 2" × 5.5" |
| 7 | 23 | 6.5 | 2" × 5.875" |
| 8 | 24–25 | 7.5 | 2.125" × 6.25" |
| 9 | 25–26 | 8.5 | 2.25" × 6.5" |
| 10 | 27 | 9.5 | 2.25" × 6.875" |
Little Kid & Youth (sizes 11–4)
Kewalos Kids
| Category | US | EU | UK | W × L (in) |
|---|---|---|---|---|
| Little Kid | 11 | 28–29 | 10.5 | 2.5" × 7" |
| 12 | 29–30 | 11.5 | 2.5" × 7.25" | |
| 13 | 31 | 12.5 | 2.5" × 7.75" | |
| Youth | 1 | 32–33 | 13.5 | 2.75" × 8" |
| 2 | 33–34 | 1.5 | 2.75" × 8.25" | |
| 3 | 35 | 2.5 | 2.75" × 8.5" | |
| 4 | 36 | 3.5 | 2.75" × 8.875" |