This is not a new item. It has been worn, but I think the condition is good as it was only worn about once. Size is S. The waist is elastic. The shoulder straps are adjustable in length and can also be removed. The fabric is a little thick. The condition is good, but as it has been worn, there may be small oversights. Please understand this before purchasing. It will be sent in simple packaging. Please note that it will be compressed for shipping.