Black Patent Croc Effect Ankle Boot Every trans-seasonal collection calls for a staple ankle boot and Carvela Comfort has created the ultimate option. Resting on a slight 35mm heel and a durable sole, Rich has been designed to slot in easily with casual, off-duty collections and provides a comfortable, reliable solution for weekends on the go. The sleek black upper has been treated to a metallic buckled strap which sits at the elasticated insert at the side panel, ensuring this easy-wear design can be slipped on and off with ease.