You could try contacting Noah and Theo, otherwise a lot of eBay sellers have pictures of their pads and you'll likely find that pads from some other brands of brakes fit them fine.
I'm fairly confident they are equivalent to some Shimano pads - Uberbike do good quality, reasonably priced versions, which are cheaper on eBay but I can't link there.
Fri Night Vid Ethan Pringle on one of Portugal's Hardest Sport Climb
In this week's Friday Night Video, we follow Ethan Pringle to the 'not-yet-popular' but world-class sport crag of Meio Mango in Portugal. In the film, Ethan attempts one of the country's hardest lines, Filipinos, which was first...