Answer:

hemline

Answer	Crossword Clue
HEMLINE	Height of fashion?
HEMLINE	One of fashion's ups and downs
HEMLINE	It went up in the '60s

HEMLINE	It may raise eyebrows when raised
HEMLINE	Tailor's bottom edge
HEMLINE	Skirt's bottom edge
HEMLINE	Skirt's edge
HEMLINE	Designer's concern
HEMLINE	Frequent change of fashion
HEMLINE	Moot point in the fashion world.
HEMLINE	Up-and-down fashion item.

HEMLINE	Movable item in fashion.
HEMLINE	Up-and-down item.
HEMLINE	Fashion item, subject to change.
HEMLINE	Couturier's concern.
HEMLINE	Ever-rising item.
HEMLINE	Variable dress part
HEMLINE	Dressmaker's concern
HEMLINE	Fashion variable

HEMLINE	Mini-midi-maxi distinction
HEMLINE	Fleeting fashion item
HEMLINE	Midi or mini
HEMLINE	Level of modesty
HEMLINE	It can be taken down
HEMLINE	It marks the end of a shift
HEMLINE	It went up in the 1960s
HEMLINE	End of a shift?

HEMLINE	Dress part
HEMLINE	It's usually lower in the winter
HEMLINE	Fashion edge
HEMLINE	It may rise fashionably
HEMLINE	Edge in fashion