"Collar detail" refers to any decorative or distinctive element found on a collar of clothing, such as embroidery, lace, buttons, or a unique design. Full definition
An exquisite floral embroidered beach kimono features deep plunging collar detail with a self tie in the front, sheer tulle material, knee - length flattering cover up detailing. (zaful.com)
The contrast piping and collar detail add some fun to the top, and gives it a more sophisticated feel. (shoppingmycloset.com)
Everything about it works so beautifully, and I just love the little collar details. (knittedbliss.com)