Where do you find yellow gloves in Sonic Adventures DX?

You can't find yellow gloves in Sonic Adventures DX. There are no gloves in the game, nor is there any special item that resembles gloves.

Sonic Adventures DX is a 3D platformer, and its focus is on collecting rings, defeating enemies, and navigating levels. Gloves are not a part of the game's mechanics or gameplay.

Perhaps you're thinking of a different Sonic game? If you can provide more details about the gloves you're looking for, I might be able to assist you better!