@KAB and @carl0 , they've added a pre-order started tomorrow to ship 4/28. Might still sell out fast, but gives a better chance. Will be for the black and navy (per the update on the product page)
That said, JUST got mine today (black, and light blue for the kiddo). She loved how soft they were on her ears (we've been using folded cloth and hair ties). Put in pope cleaners over the nose and made a good enough seal my glasses didn't fog up like they have been with the makeshift mask. That said, not as cold when I tried either, but it didn't feel like the air was blowing straight up. They're nice, she's happy, and I don't think I'll have to work as hard to get her to wear these on walks because they're more comfy