I would say no.It has a built up heel.
It has a welt. You can see the stitches that hold the sole to the uppers. This is a markedly 15thc innovation. 14thc boots would have been turn-sole.
It has a strap on the outside going across the ankle. True some shoes have a tie here, but it is not a strap, rather an integral part of the boot.
The soles are probably rubber, but that is only conjecture based on how thick they are looking.
_Shoes and Pattens_ from MoL, has many examples of surviving footwear. I am at work and unable to check my copy, but I don't remember there being many/or any boots higher than ankle boots.
The picture of the fellow sitting down is a quick and dirty example of what I speak.
Bead maker in boots.
Here is an example of a 15thc turn boot. You will have to scroll down a bit.
knee high boot 15thc
[ 02-03-2004: Message edited by: Woodcrafter ]
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Woodcrafter
14th c. Woodworking