Don, as a blouse (4-2)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
slip-on
(Other definitions for slip-on that I've seen before include "Not a lace-up" , "Shoe without laces" , "Shoe without fasteners" , "Shoe, not a 10" , "Garment or shoe with little or no fastening" .)