Size Chart
Baby / aka Newborn & Baby
Age/Size Weight Length Sock Size
up to 7 lbs up to 7 lbs up to 17"
up to 3 months 7-12 lbs 17"-23" up to 6 months
3-6 months 12-17 lbs 23"-27" up to 6 months
6-12 months 17-22 lbs 27"-29" 6-12 months
12-18 months 22-27 lbs 29"-31" 12-24 months
18-24 months 27-30 lbs 31"-33" 12-24 months

Lil Kids / aka Toddler
Age/Size Weight Length Sock Size Size
12-18 months 22-27 lbs 29"-31" 12-24 months s/m
18-24 months 27-30 lbs 31"-33" 12-24 months s/m
2T / 2 years 30-33 lbs 33"-36" 2-3 years m/l
3T / 3 years 33-36 lbs 36"-39" 2-3 years m/l
4T / 4 years 36-40 lbs 39"-42" 4-5 years l/xl
5T / 5 years 40-46 lbs 42"-45" 4-5 years l/xl

Big Kids / aka Boys and Girls
Regular Sizes XS S M L XL XXL
Numeric size 4-5 6-7 8 9-10 11-12 13-14
Height 39"-45" 45"-51" 51"-54" 54"-57" 57"-60" 60"-67"
Weight 33-48 lbs 46-61 lbs 61-72 lbs 73-84 lbs 85-96 lbs 97-130 lbs
Chest 23"-24" 25"-26" 27" 28" 29" 30"-31"
Sleeve length 18"-20" 21"-23" 24" 26" 27" 29"-31"