This Is The Accurate Measurement For The Hip. The Shoulder To Crotch Measurement Is From Our Jumpsuits But For The Overalls It Is Very Flexible As The Bib Is Adjustable To Allow Room Up Or Down. Xs : Hip 20"// Shoulder To Crotch 32" Sm: Hip 21"// Shoulder To Crotch 32" Med: Hip 22"// Shoulder To Crotch 33" Large: Hip 23"// Shoulder To Crotch 33" Xl: Hip 24"// Shoulder To Crotch 33" 2x: Hip 26.5"// Shoulder To Crotch 36" 3x: Hip 28"// Shoulder To Crotch 37"