Paris is one of the fashion capitals of the world, and things are going to ramp up this week. On Friday evening, the opening ceremony for the 2024 Olympic Games will take place along the River Seine.

Red velvet suit, white fur trim, tall black boots, cozy (if not indulgent) pom-pom hat. Santa Claus’ uniform may have some variations, from Tim Allen’s off-duty outfits in “The Santa Clause” as he ...