The chart below will give you the following information: Largest Girth (Chest, waist or hips)
Inseam (Measured from crotch to floor)
Stockingfoot
S 35"-36" 31"-32" 7-8 M 39"-40" 33"-34" 9-11 MS 39"-40" 29"-30" 9-11 ML 39"-40" 35"-36" 9-11 MK 41"-42"...