The white collar is attached to the V-zone of the vest and is an item that symbolizes the cleanliness and dignity that are essential for formal style.

White is considered a symbol of formal attire and has been used in formal occasions. Originally, the collar was designed to be removable for washing and replacement, making it a practical way to maintain a clean appearance. It also brightens the area around the face and tightens the overall impression, adding a sophisticated presence to a classic style.

<Major wearing occasions>
Wedding (daytime formal): Groom, groom's father, matchmaker, etc.
Outfit: Morning coat
Ceremonies, official events, school-related events: principals, professors, council members, etc.
Attire: Morning coat or director's suit