Purchase date unknown. These are 23区 brand pants. There are stains on the front right side and the seat of the pants (the affected areas are circled in blue in the images). - Size 48 W78-82 H103-107 (Measured flat: Waist 41cm, Hips 54cm, Rise 30cm, Inseam 74cm) - Material: Outer fabric: 80% wool, 20% nylon Lining: Polyester Thank you for viewing.