10 Eyelet Unisex Steel Toe Ankle Boot, Rubber Sole Approximate calf circumference: 10.9" Approximate shaft height: 8.2" Demonia 10 Eyelet Unisex Vegan Steel Toe Lace-Up Ankle Boot, Rubber Sole, Full Length Inside Zip Closure Approximate calf circumference: 10.9" Approximate shaft height: 8.2"