YOUTH SMALL: Fits approximately 42-48" tall. Tank is 19" L x 14" W at the waist. Fits most 5-7 year olds. 95% cotton and shrinks by about up to an inch all around when washed.
YOUTH MEDIUM: Fits approximately 49"-54" tall. Tank is 20" long x 16" W at the waist. Fits most 8-10 year olds. 95% cotton and shrinks by about up to an inch all around when washed.