1776 United sees your shirt and raises you...
https://1776united.com/collections/new-arrivals/products/hell-yes?variant=29995986092104
Haha, great site.
Hope they sell a TON of their shirt.
They have the website which you linked to, as well as a website application you can actually install.
Their stuff is overpriced. $35 for a tumbler, $30 t-shirt, they are in Jeb $75 guacamole bowl territory.