Most plush mattresses have a solid inner core of coils. Plush and pillow top spring mattresses are similar; both typically have structural firmness and stability. They also have a soft outer fabric surface intended to make sleep more comfortable.
By this time, the sometimes complicated array of knots and styles of neckwear gave way to the neckties and bow ties, the latter a much smaller, more convenient version of the cravat. Another type of neckwear, the Ascot tie, was considered de rigueur for male guests at formal dinners and male spectators at races.
A âblack tie optionalâ dress code calls for formal attire. While attire may be slightly more casual than a âblack tieâ affair, some overlap in appropriate dress exists when comparing black tie and black tie optional events. Both men and women have multiple options for black tie optional outfits.