Please understand that some wrinkles are inevitable due to the nature of the fabric. Only the second button has a different shape and material, and it's a snap closure. It's an oversized fit, which I think is cute! Unlike shirts from Uniqlo or other inexpensive brands, the shape is very good, and I think you'll be able to wear it for a long time and cherish it. Length: 82cm Collar length: 4cm Width: 60cm Shoulder width: 49.5cm Sleeve length: 27cm