I’ve tried quite a few types over the years either through PPE at work, motorcycling or other loud sports and have found Moldex ‘Sparks’ to work best for me.
They have the added bonus they can be bought in little storage cases to keep them clean.
https://www.ebay.co.uk/itm/172408566963
I think for most people it will be a case of trial and error to see what’s comfortable unless you go for a custom moulded pair.