What does "innersole" mean?

An insole; a cushioning layer lining the inside bottom of a shoe or boot.

Innersole

Common synonyms include: insole, footbed, inner sole layer, insole layer, medical insole, orthotic insole.

noun

noun ·Rare ·Advanced level

Noun

1
An insole; a cushioning layer lining the inside bottom of a shoe or boot.
"After his toe was severed in an accident, he had to buy orthopedic innersoles for his shoes."
2
the inner sole of a shoe or boot where the foot rests wordnet

"After his toe was severed in an accident, he had to buy orthopedic innersoles for his shoes."

From inner + sole.