In a technical context, a "MetaMask.zip" file is often the format used to manually install the MetaMask extension in a browser (like Chrome or Brave) if you are not using the official web store.
Are you looking to or are you trying to manually install the wallet extension?
: Often a 50/50 cotton-polyester blend or 80/20 cotton-poly fleece.
: Developers or advanced users may download a zipped version of the extension from the official GitHub repository or third-party archives like Chrome-Stats to inspect source code or test specific versions.