Please consider Large size is for big feet (just like mine!!)
Size M: EU 38-40 / UK 5-6.5 / US 6.5-8
Size L: EU 41-43 / UK 7-9 / US 8.5-10

There’s an original pattern with some lace and garter sts.

This pattern is free - if you like it and you want to thank me, just pay me a coffee on Paypal (f.caricato at yahoo.it).