noun: fetish; plural noun: fetishes
a form of sexual desire in which gratification is linked to an abnormal degree to a particular object, item of clothing, part of the body, etc.
It was hard to explain, but Evelyn had always had a thing for construction workers. For a while, she thought she just liked their sweat-slick, stone-carved muscles and the way their skin glistened and rippled underneath her fingertips when she was putting them through their paces. But that didn’t explain why she always wanted them to wear the hard hat. Of course, they were always happy to oblige …