pleatless

In a second a couple of scouts in dirty red and green tartans, with fealdags or pleatless kilts on them instead of the better class philabeg, crept cannily out into the open, unsuspicious that their position could be seen from the fort.

John Splendid The Tale of a Poor Gentleman, and the Little Wars of Lorn

She wore a flannel shirt, belted in at her slight waist with a band of yellow leather, defining her small hips, and short straight pleatless skirts that fell to her trim ankles and buckled leather shoes.

Tales of Trail and Town