PEDIPED SIZE CHART 
ORIGINALS®
Size /
Aprox. Age
EU Size US Size UK Size Length (inch)* Length (cm)*
XS 0 - 6 mon 17 - 18 2.5 - 3.5 1.5 - 2.5 4 10.5
S 6 - 12 mon 19 4 - 4.5 3 - 3.5 11.6
M 12 - 18 mon 20 5 - 5.5 4 - 4.5 12.4
L 18 - 24 mon 21 5.5 - 6 4.5 - 5 13.3

*Measures inner length.

FLEX®
EU Size US Size UK Size Japan Size
20 5 kids 4 13
21 5.5 4.5 13.5
22 6 - 6.5 5 - 5.5 14
23 7 6 14.5
24 7.5 - 8 6.5 - 7 15
25 8.5 7 - 7.5 15.5
26 9 - 9.5 8 - 8.5 16
27 10 - 10.5 9 - 9.5 16.5
28 11 - 11.5 10 - 10.5 17
29 12 - 12.5 11 17.5
30 12.5 - 13 11.5 - 12 18
31 13 - 13.5 12 - 12.5 18.5
32 1 youth 13 - 13.5 19
33 1.5 - 2 14 - 1 youth 19.5
34 2.5 - 3 1.5 - 2 20
35 3.5 2.5 20.5
36 4 - 4.5 3 - 3.5 21
GRIP 'N' GO™
EU Size US Size UK Size Japan Size Aprox. Age
19 4 - 4.5 3.5 12.5 9 - 12 mon
20 5 4 13 12 - 18 mon
21 5.5 4.5 13.5 16 - 20 mon
22 6 - 6.5 5 - 5.5 14 18 - 24 mon
23 7 6 14 22 - 36 mon