See by Chloe 

Annika Western Boots in Sierra

Size:   EU 38  /  US 8

Calfskin leather
Split shaft 
Western top-stitching 
Lace-up at back 
Rounded toe 

Heel height: 30 mm
These shoes are authentic. 

length from toe to heel sole is 10.5 inches width under ball of foot is 3.7 inches
my size in US is 8 and these boots fit perfect