Fabio Rusconi Black Leather Long Boot, Style name R NYDIA. 

Details,

Colour: Black

Materials: Leather Upper, Leather Lining, Leather & Rubber Sole

Heel Height: Approx 8.5cm, Approx leg length 51cm (from top of heel to top of boot)

Made In Italy

RRP $890

*This style comes in suede.