Chloé boots, size 38 - 

Heel measures approximately 100mm/ 4 inches. 
Chloé's chunky-heeled boots are cut from smooth scuba-like neoprene. This slick pair secures at the ankle with elasticated drawstring pulls. 
- Stacked wooden heel measures approximately 100mm/ 4 inches
- Black neoprene
- Pull tab, raised seams, side eyelets, round toe
- Drawstring fastening at back


As Sold on Net-a-porter for $970 : https://www.net-a-porter.com/us/en/product/409570/chloe/neoprene-boots 

Nb.  I'm usually a 36.5 and these shoes were the right size for me.  Great heel hight and the stack heel is super comfy.  Looks great with a cute mini dress.