EU Size	UK	US	Age Group
21	4.5	5	Toddler
22	5	5.5	Toddler
23	6	6.5	Toddler
24	7	7.5	Toddler
25	7.5	8	Toddler
26	9–9.5	8.5–9	Toddler
27	10	9.5	Toddler
28	10.5–11	10–10.5	Toddler
29	11.5	11	Junior
30	12	11.5	Junior
31	12.5–13	12–12.5	Junior
32	13.5–1	13–13.5	Junior
33	1.5–2	1–1.5	Junior
34	2.5–3	2–2.5	Junior
35	3.5–4	3–3.5	Junior
36	4 / 4.5	5.5 / 6	Youth
37	5.5–6	5–5.5	Youth
38	6.5–7	6–6.5	Youth
39	6	7	Youth
40	7	9–9.5	Youth