Add an edge to your casual looks in these military lace up army boots with a chunky low heel. Grab yourself a pair of these knee high boots - you won't be disappointed! Synthetic Leather Upper Material. Synthetic Insole. Synthetic Sole. Full Faux Fur Lining. 3 cm (1.2 Inches) Heel Height. 9.5 cm (3.7 Inches) Sole Width. 39.5 cm (15.5 Inches) Shaft Height. 36 cm (14.1 Inches) Calf Circumference. 39.5 cm (15.3 Inches) Shaft Circumference. Product measurements were taken using UK size 5. Please note that measurements above may vary by size. AJVANI Women's Low Heel Lace Up Calf Zip Faux Leather Biker Boots in Brown Size: 6