A Formal Shoes to be worn at smart casual or more events. Oxfords (British), or Balmorals (American), lace up and tie to keep them on the wearer's foot, and have a closed lacing, where the pieces of leather joined by the laces are sewn together at the bottom. Many Oxfords have an additional piece of leather sewn over the toe section, known as a toe cap. Oxfords are the standard shoe to wear with most suits. White Buck shoes are a variant of the oxford that are made of buckskin, and considered the companion to seersucker and other summer suit fabrics.Derbies, or Blüchers in America, are similar to Oxfords, but have open lacing. They are a little less formal, and are often worn in brown, with some brouging.