This is a nylon pullover/piste/long-sleeved T-shirt from Nike, an American sports brand. Color: Blue Size: L Width: 57cm Shoulder width: 47cm Length: 69cm Sleeve length: 63cm Material: 54% nylon, 46% polyester The condition is excellent, with no noticeable signs of wear. However, please note that it is not brand new, as there may be slight wrinkles from storage. With a wide width, it has a relaxed fit and is recommended not only for sports but also for everyday wear as a long-sleeved T-shirt. Thank you for your consideration!