Close-fitting in a sentence as an adjective

On a motorcycle, you wear a really close-fitting umbrella called a "helmet".

Generally a box fan is loosely fit in the window and has an open interior with no shroud, as opposed to server fans which are tightly mounted to a fan-sized hole and have a close-fitting shroud around the blades.

Close-fitting definitions

adjective

fitting closely but comfortably; "a close fit"

See also: close snug