Yarn Chan-chan-ko Loungewear

It's hardly been used.

Also, the part that looks like it's frayed on the right shoulder is from the beginning. It's part of the weave pattern and only appears that way; it's not actually frayed.

The fabric is woven from wool and nylon, so it doesn't make a rustling sound and is comfortable to wear.
The collar is made of velvet, so it's not itchy and is comfortable.