Hi Samhgar2,
Closed cell foam is usually the answer, and it's not technically better than socks, but manufacturers do use tools to give them a perfect shape.
Try something like this, if you must have foam:
https://amzn.to/2F0U9F5
Closed cell foam is usually the answer, and it's not technically better than socks, but manufacturers do use tools to give them a perfect shape.
Try something like this, if you must have foam:
https://amzn.to/2F0U9F5