How to measure:
Women's Size Chart
Size Chart 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5
Her 8.69 8.81 9 9.19 9.31 9.5 9.69 9.81 10 10.19 10.31 10.5

length in inches

 

Men's Size Chart

Size Chart 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12 12.5
Him 9.31 9.50 9.69 9.81 10 10.19 10.31 10.5 10.69 10.81 11 11.19 11.31 11.5

length in inches

Size Chart 13 13.5 14 14.5 15
Him 11.69 11.81 12 12.19 12.31

length in inches

 

Kid's size chart

Size Chart 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
Infants
(0-12months)
3.25 3.5 3.62 3.75 4 4.12 4.25 4.5 4.62 4.75

length in inches

Size Chart 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 11.5 12
Children (length in inches) 12.7 13 13.3 14 14.3 14.6 15.2 15.6 15.9 16.5 16.8 17.1 17.8 18.1

18 - 24 months

3 years

4 years

5 Years
 
Size Chart 12.5 13 13.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7
Youth
(length in inches)
18.4 19.1 19.4 19.7 20.3 20.6 21 21.6 21.9 22.2 22.9 23.2 23.5 24.1 24.4 24.8
  6 years 7 years 8 years 9 years 10 years