Wide Calf Boots For Women: These boots are designed to be wider than regular sizes, great for those with wide calf. Outer material: Polyurethane Shaft Height: 17.8 in Rubber TPR outsole, Faux fur lining Moto-inspired riding boot with buckled straps at ankle and quilted zipper accent, and instep zipper for easy on/off Product measurements were taken using size 7 US, width M. Please note that measurements may vary by size. Approx measurements - Heel Height: 1.25 in; Platform Height: 0.5 in; Shaft: 17.5 in; Wide-calf circumference: 16.5 in. Worn Once. Smoke Free home.