Guess Womens Knee-High Boots Size 10 US Medium (B, M) Brown Leather Leather Shaft measures approximately 12.5" from arch All-Authentic Brands and Hassle-Free Returns Materials: Man Made, Leather Heel Height: 4 | Shaft Height: 12.5 | Calf Circumference: 16 | Insole: 9.5 11.25'' Inner Side Zipper; 4'' Wedge Heel. Made in China by Guess