The size is M, with a body width of 50cm and a length of 66cm. The chest area has a mesh lining. It has a boa pocket and a striped pattern on the left back. There is a 1cm repair on the back of the neck, on the left side, but it is barely noticeable from the outside. It's long-sleeved, but made of lightweight polyester fabric. Please understand that this is a used item.