Size
us size
eu size
uk size
japan size
inches
cm
0 - 3 mos
1
16
0
9.2
3 5/8
9.2
3 - 6 mos
2
17
1
10
3 15/16
10
6 - 12 mos
3
18
2
11
4 5/16
10.9
12 - 18 mos
4
19
3
11.5
4 5/8
11.7
18 - 24 mos
5
22
4
12.5
4 15/16
12.5
Size
us size
eu size
uk size
japan size
slipper size
inches
cm
3
3
18
2
11
XS
4 ⁵⁄₁₆
10.9
4
4
19
3
11.5
XS
4 ⅝
11.7
5
5
22
4
12.5
S
4 ¾
12.5
6
6
23
5
13.5
S
5 ⅛
13.4
7
7
24
6
14
M
5 ½
14.2
8
8
25
7
15
M
5 ¾
15
9
9
26
8
16
L
6 ⅛
15.9
10
10
27
9
16.5
L
6 ½
16.7
11
11
28
10
17.5
XL
6 ¾
17.5
12
12
29
11
18
XL
7 ⅛
18.4
Size
us size
eu size
uk size
japan size
inches
cm
UP TO 7 LBS
UP TO 7 LBS
UP TO 7 LBS
UP TO 7 LBS
UP TO 7 LBS
13 ½ - 15
35 - 38
0-3 mos
0-3 mos
0-3 mos
0-3 mos
0-3 mos
16 ½
42
3-6 mos
3-6 mos
3-6 mos
3-6 mos
3-6 mos
17
43-44
6-12 mos
6-12 mos
6-12 mos
6-12 mos
6-12 mos
18
46
12-18 mos
12-18 mos
12-18 mos
12-18 mos
12-18 mos
19
48-49
18-24 mos
18-24 mos
18-24 mos
18-24 mos
18-24 mos
20
51
Size
us size
eu size
uk size
japan size
inches
cm
12 - 24 mos
XS / S
XS / S
XS / S
XS / S
19 ½
49
2 - 3 yrs
S / M
S / M
S / M
S / M
20 ½
52
4 - 5 yrs
M / L
M / L
M / L
M / L
21 ½
54
Size
us size
eu size
uk size
japan size
inches
cm
12 - 24 mos
XS / S
XS / S
XS / S
XS / S
5 ¾
14
2 - 3 yrs
S / M
S / M
S / M
S / M
6 ½
16
4 - 5 yrs
M / L
M / L
M / L
M / L
7 ¼
18