It wears a cummerbund about the waist; no buckles.
Soft neck collar, padded cummerbund, back and shoulder area.
A silk cummerbund encircled his slim hips and a tall, sombrero style hat stood high on his head.
You may want your cummerbund and bowtie to coordinate with her colors.
Incorporating color into wedding menswear usually was left to the bowtie, necktie, cummerbund, vest, and boutonniere.