Off-the-rack clothes or goods are made in large numbers, rather than being made specially for
a particular person.
...the same off-the-rack dress she's been wearing since the night before.
regional note: in BRIT, use off-the-peg
For our clothes, we went to a shop on Hollywood Boulevard, and we just picked it all
off the rack.
COBUILD Advanced English Dictionary. Copyright © HarperCollins Publishers