novella bells sizing

(in inches
 waist 
 hips  
  inseam
 rise
extra small   
(ages 4-5)
 16-17
 22-24
 21 
 6
small
(ages 6-7)
 18-19
 24-26
 24
 6.5
medium
(ages 8-9)
 19-20
 28-30
 27
 7.5
large
(ages 10-11)
 20-22
 30-32
 29.5
 8