IN her thigh-highs and ruby miniskirt, Little Red Riding Hood does not appear to be en route to her grandmother’s house. And Goldilocks, in a snug bodice and platform heels, gives the impression she has been sleeping in everyone’s bed. There is a witch wearing little more than a Laker Girl uniform, a fairy who appears to shop at Victoria’s Secret and a cowgirl with a skirt the size of a tea towel.

Anyone who has watched the evolution of women’s Halloween costumes in the last several years will not be surprised that these images — culled from the Web sites of some of the largest Halloween costume retailers — are more strip club than storybook. Or that these and other costumes of questionable taste will be barely covering thousands of women who consider them escapist, harmless fun on Halloween.

“It’s a night when even a nice girl can dress like a dominatrix and still hold her head up the next morning,” said Linda M. Scott, the author of “Fresh Lipstick: Redressing Fashion and Feminism” (Palgrave Macmillan) and a professor of marketing at the University of Oxford in England.

The trend is so pervasive it has been written about by college students in campus newspapers, and Carlos Mencia, the comedian, jokes that Halloween should now be called Dress-Like-a-Whore Day.