Where to find flat navy or grey leather kneehigh boots?

[IlonaRN]

As per the title - now I have a toddler, I find flat shoes much easier when out with him, but I prefer skirts, so would really like some flat knee-high boots to wear at the weekends.
Where can I find some that are leather, in navy or grey (I am a "Summer"), without too many embellishments?
Help, please!

I've bought 3 pairs from Ted and Muffy and Moshulo in the last month. The moshulo ones are laced up the back so completely adjustable and have £40 off at the moment

Navy

Grey

Maybe try Next

Ted baker have a lovely paif of long grey boots.