Buttons all the way up to a clean scoop neck, but can be unbuttoned and folded back to reveal chest ruffles. Metal buttons down the front and adjustable lacing panel in the back to allow for all body types to fit and still be able to button completely. Side slits. Men's sizes. 39" long. Order a size that will be and inch or so above your actual chest to be sure there is room for shirts and any other underneath layers. Also good to order up if waist size is larger than chest size. These are outside measurements, inside measurements are half inch smaller. S - 38" CHEST, M - 40, L - 44, XL - 48, XXL - 52, XXXL - 54