Hobby Horse sand chaps tagged a youthXL. This pair does have some marks where the inside of the leg would hit. Priced accordingly. 
HH pants size 24
Tan belt size 28 but can adjust smaller 
Waist 25”+ (should be slightly bigger than waist measurement for jacket)
Thigh 21”
Length of zipper 34”
Drop 1” for total of  35”

Sand Chaps Set- Youth XL