Not sure these are authentic YSL jeans. My research skills may be lacking BUT that doesn’t take away from these jeans’ extremely flattering style and fit. They’re soft, versatile and have the smallest bit of stretch to them. I’ve gotten plenty of wear out of them and they look the absolute same as when I purchased them. All measurements flat lay: waist 15.5in / hips 19in / rise 10in / inseam 31in For ref, modeled on a 5’6, 30in waist and 42in hips body