There are no noticeable stains, but it was purchased from a used clothing store and one of the knees has been repaired. I don't know the details of whether it was originally repaired like this from the beginning. The size is children's American size XL (14) REGULAR is for standard body types in terms of length and fit. Adults can wear it without any problem. Denim overalls, straight leg style, can be worn casually. - Color: Denim Blue - Design: Overalls - Material: Denim - Pockets: Front pockets - Style: Straight Leg Thank you for viewing. Waist/Hips/Rise/Inseam Waist: 41cm Inseam: 71cm Please read the profile before purchasing.