STAUD's 'Wally' knee boots are made from soft tan suede in a slouchy silhouette that bunches slightly at the ankle. They have slightly elongated squared-off toe and slim 45mm heels. size 37 (7) Heel measures approximately 45mm/ approx 2 inches Tan suede (Cow) Pull on Upper: 100% Cow Leather; Sole: 75% Cow Leather, 25% Rubber Made in Portugal This style has a narrow fit. If between sizes, consider sizing up.