Crazy 8 Size Chart
Follow the measuring tips below to find the correct size and best fit for your child. For best results, have your child wear little to no clothing and use a fabric tape measure.
SIZE AGE HEIGHT (cms) WEIGHT (kg) WAIST INSEAM HEAD
Up to 7lb up to 48.5 up to 3kg 35.5 14 37.5
0-3 mos up to 58.5 3-5.5 43 17 42
3-6 mos 58.5-63.5 5.5-7.5 45 20.5 44
6-12 mos 63.5-73.5 7.5-10 47 23.5 46.5
12-18 mos 73.5-78.5 10-12 49 26.5 48.5
18-24 mos 78.5-84 12-13.5 50 30 49.5
2 yrs 84-91.5 13.5-14.5 51.5 33 50
3 yrs 91.5-99 14.5-16 52.5 36 51
4 XS 3-4 yrs 99-106.5 16-19 54 40.5 52
5 S 4-5 yrs 106.5-114.5 19-21 56 45 53.5
6 5-6 yrs 114.5-124.5 21-24 57 49.5 54.5
7 M 6-7 yrs 124.5-134.5 24-30 58.5 54 54.5
8 7-8 yrs 134.5-139.5 30-33.5 60.5 58.5 54.5
10 L 8-9 yrs 139.5-145 33.5-38.5 62 62 56
12 9-10 yrs 145-152.5 38.5-43 64 66 56
14 XL 10 yrs+ 152.5-157.5 43-46 66 70 56
BABY SOCK SIZE/AGE SHOE SIZE (US)
0-3 mos 01
3-6 mos 02
6-12 mos 03-04
12-24 mos 5-6
2 yrs/3 yrs 7-9
4 yrs/5 yrs 10-11
KIDS SOCK SIZE AGE SHOE SIZE (US)
XS 4-5 yrs 9-10
S 5-6 yrs 11-12
M 7-9 yrs 13-2
L 10 yrs+ 3-4
XL 10 yrs+ 5-6
Height: Measure in centimeters.
Weight: Weigh in kilograms.
Natural Waist: Measure around the natural waist, keeping the tape loose.
Inseam: Measure the inside of the leg from the crotch to just above the ankle bone.
Head Circumference: Measure the widest part of the forehead to the base of the skull.