Forum:Does anyone know what item this user was wearing?

Here's a pic of their avatar taken from a YT video. I went to their profile and couldn't find it. I tried searching for "dragon" in the catalog and it wasn't there either.
 * Catalog:From the Vault: Dozens of Dinosaurs 0Michael105  ( talk  ·  CC talk  ·  contributions ) 20:45, 28 November 2020 (UTC)