I purchased these along with some trophy buckles and other items from a lady in West Texas. These belonged to her father in the 1950's. Evidently, he was in stature, because they fit like a women's small / medium. My wife (wearing them in the photo) is S.
Chaps can be worn in many different ways: higher on the hips, lower, depending on your preference. I later sewed our brand (the "Double Half Diamond") at the bottoms, but they're overlays and can easily be removed.
They're great piece of Texas history, perfectly wearable and in good shape.