Vervet by Flying Monkey plus size stretch boyfriend jeans. 13" rise 26" inseam and 16.25" leg opening. 92% cotton 6% polyester 2% spandex. 

Model is 5'10" wearing a size 16. Size 14 38" waist 46" hips. Size 16 40" waist 48" hips. Size 18 42" waist 50" hips.

If you don't have wide hips/seat, you should size down one.