Here are the possible solutions for they often have matching caps clue
Answer
Clue
Relevancy
gowns
Clue
They often have matching caps
Definition
GOWN, to dress in a gown (a long, loose outer garment)
stl
Clue
Caps on Cardinals' caps
knees
Clue
They have caps
Definition
KNEE, to strike with a joint of the leg
mts
Clue
They may have caps: Abbr.
onesie
Clue
Item of clothing that might have a matching hat
Definition
a soft, loose-fitting, one-piece garment worn by adults for sleeping or lounging
asaset
Clue
How matching items are often sold
newt
Clue
Gingrich who said "females have biological problems staying in a ditch for thirty days because they get infections and they don't have upper body strength"
Definition
a tailed amphibian of the salamander family, also EWT