The Calafat W1Z-8977C1 Ankle Boot in Black from Pikolinos. 

If there’s such thing as a special, elegant, comfortable women’s ankle boot, it’s the Pikolinos Calafat. With it, you can show off your chic style through maximum comfort. The medium heel is at a flattering height, so you feel confident with each step, and with its relax system, you’ll be able to walk for hours.

• Upper: 100% calfskin leather
• Inner lining: 25% other materials and 75% textile
• Sole: 100% synthetic
• Cushioned insole
• Zipper closure
• Heel height 5,5 cm (2.2")
• Shaft contour 25 cm (9.8") (size 37) 
• Total shaft height 11,3 cm (4.4") (size 37)