Most men in more modern times do seem to not have learned much about mending, but honestly I feel like that shirt is mostly beyond saving at this point, even if you had learned.

[Jack is much older than he looks, and sometimes it shows. He beckons for Jayce to come and stand before him.]

Let me measure you, okay? And you can look at my fabrics and pick a few options. I'll make you two. Everyone should have a spare for when the first needs watching.