These are black Christian Louboutin Lock Booties in size 37. 

Add glamour to your shoe collection with the Lock Booty 70 ankle boot from Christian Louboutin. They're crafted in Italy from smooth leather and are decorated with a silver-toned monogram buckle.

Lining: leather
Toe shape: round toe
Closure: zipped side
Sole: leather insole, signature red leather sole
Upper: leather
Designer color name: Black/Black Lucido
Made in Italy

Box and dustbag not included