Uploaded photos of the black streaks on the sleeve. Photos 6 and 7. Unsure if it will come out with cleaning. It's located on the folded areas due to being stored folded. Near the bottom of the sleeve? (´;ω;`) Flat measurements (amateur measurement) Length: 68 cm Width: 50 cm Sleeve length: 60 cm Sleeve width: 15 cm Purchased from a Nike shop. Never worn outside, just kept in the closet. Please refer to photo 3 for the material. There are black streaks on one sleeve. The body is smooth, but the sleeves and the inside of the collar have a different fabric. Please consider this as used clothing.