Birkenstock long boots

[DelphiniumBlue]

Hi,
I've seen some Birkie boots online, www.birkenstock.com/gb/farmington-natural-leather--black/0428311-0428313-0000000.html#start=1
and these
www.birkenstock.com/gb/sarnia-high-natural-leather-black/1007759-1007770-0000000.html#start=12.
But the site doesn't give calf measurements, and online customer services couldn't help, either. London stockists don't seem to stock any boots, so I can't try them on. I don't want to order unnecessarily, and wondered has anyone tried either of them? I have fairly chunky ( but not enormous) calves, and am hoping someone could say what the fit is like.
Thanks

Anybody?

I really wish you hadn't shown me those Boots, I can't unsee them now!

I would order and try them on, only way reallly.

Maude, I'm hoping they'll be the most comfy boots ever, if they are wide enough.

Has no-one tried them?

Could you order them to the Birkenstock shop in Covent Garden and then if they don't fit just not buy them?

They are lovely. I ordered some from amazon (free postage and returns and cheaper) but unfortunately my instep is too high to put them on, so couldn’t comment on the calf size!