[EGOR]

Harlequin, белая шея снизу и с боков у "фрачного" (tuxedo) пуделя может быть...
Примеры пуделей окраса "tuxedo"... (п-к Smith )

Вот еще нашла определение окраса "tuxedo" на сайте Arpeggio Poodles...

True Tuxedos - a dog that has white in a bib around the neck that may or may not go all the way around the neck, totally white on the belly and up into the chest, white on the legs that may extend all the way up to the elbow and or knees, may or may not have white markings on the face or head, and with the rest of the dog being predominately the darker color.