CallagHan Block Heel Knee High Leather Boots, BlackUpgrade your look with CallagHan Block Heel Knee High Leather Boots. They are fashioned from quality leather and feature a block heel, gold plated hardware chain link detail, and full length inner side zip fastening for easy wear. Enjoy a stylish and comfortable fit. Brand: CallagHan Style Code: CAG32805 NEG Colour: Black Toe: Almond Toe Heel Height: 6. 5cm Materials: Upper Leather. Lining and Sock Textile. Sole Other Materials.