Punk Goth Harajuku Black Jeans with leg zippers

Condition: Used Flaws: As shown in photos; some staining, some material damage especially in the gusset. Material: 62% Cotton 36% Polyester 2% Spandex 100% cool Estimating around a size 4. The actual size is 175/82A and I have no idea how to convert that. Inseam is 30-31", the tag also says size 33, which I believe to be the waist size. please ask if you need any measurements.