Find their size before choosing a pack.
Use their current US shoe size and the chart below. Select an age range to shop the matching sock size.
| Age reference | US shoe | Euro |
|---|---|---|
| 0–3 months | 1 | 16 |
| 3–6 months | 2 | 17 |
| 6–9 months | 3 | 18 |
| 9–12 months | 4 | 19 |
| 12–18 months | 5 | 20 |
| 18–24 months | 6 | 22 |
| 2–3 years | 7–9 | 23–25 |
| 4–5 years | 10–12 | 26–29 |
| 6–8 years | 12–1.5 | 30–33 |
| 8–10 years | 1.5–2.5 | 33–35 |
| 10–12 years | 2.5–4 | 35–37 |
Between sizes? Size up. Sizing estimates vary by person. If you are unsure, choose the larger size.
A note on grip: Our 0–6 month socks have grip inside the cuff only. Bottom grips start at 6–12 months.
Need a fit answer? Email us and we’ll help.
Shopping for bigger feet? Find your Adult size.
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