The word обувь means footware: shoes, boots, waders… anything that protects your feet from damage or helps you walk. It's a feminine third declension noun with both plural and singular forms, although you almost never encounter plurals. It works mostly as a mass noun. Here's how it declines:

Instead of talking abouts men's shoes or women's shoes, the Russians discuss men's footware and women's footware. And of course there are always the styles of clothes to discuss.