Unfortunately, for Minecraft Java Edition, there are no skins that will automatically incorporate a cape. However, in Bedrock Edition, there are some skin packs that come with capes included.

To get the Minecraft anniversary creeper cape on Java Edition, players needs to visit official 15th anniversary page on Minecraft website and scroll down to find the option to claim creeper cape ...

Anniversary Celebrations In 2024, during the 15th-anniversary celebration of Minecraft, the players earned a Purple Heart Cape just by watching the Twitch streams.

How to earn the Yearn Cape Upgrade Minecraft to the latest version (Bedrock or Java Edition). Access the Movie Live Event from the main menu (Bedrock) or join the event server (Java).