A pair of Khakis three days along on the trail look as though they had been out a year.
"Camp and Trail"
Stewart Edward White
The newness began to pass from my little shelves and niches and blotters; in the darkness I could put my hand on flash or watch or gun; and in the morning I settled snugly into my woolen shirt, Khakis, and sneakers, as if they were merely accessory skin.
"Edge of the Jungle"
William Beebe
The Bhois have the flabby-looking yellow skin of the Mikirs, and the Lynngams are darker than the Khakis.
"The Khasis"
P. R. T. Gurdon