Custom shop template

Hey guys, Im trying my best to assign a custom page template to woocomerce shop page
Iv have several page templates in my theme folder, but I cannot add the, to woocommerce page tem[plates ? why is that ?

in any case do you have any tips on how to do this, im trying to make my shop with no header and footer just a clean page.

I was thinking to do so with functions.php but didn’t succeed thanks in advance to all cheers ??