I used to use leather thimbles . I was lucky to get a queen size quilt quilted from one. I didn't like to spend 15.00 so often.( not sure what the price is now) I would follow directions for shrinking to fit your finger .
I discovered Roxanne thimbles and love them they are expensive but worth the money.If you are a quilter you need a good/comfortable thimble. I always encourage my class to wear them a few days as much as possible and before you know it you won't notice you have it on.