Answer:

flats

AnswerCrossword Clue
FLATSShoes without heels
FLATSHigh-heels alternatives
FLATSAlternative to heels
FLATSAlternative to high heels
FLATSF minor has four of them
FLATSHeels alternative
FLATSApartments
FLATSSome keys have them
FLATSSeedling containers
FLATSSome pads