Rieker Over-knee Boots combine smooth leather and synthetic construction with a thick sheepskin lining for winter warmth and an Antistress sole for lightweight, shock-absorbing comfort. Key attributes: Black | Leather | Synthetic | Thick sheepskin lining for warmth | Rieker Antistress sole — lightweight, flexible and shock-absorbing | Rear zipper expands shaft width | Thick lined shaft for added insulation | Over-knee shaft | Smooth leather exterior | Rear zipper detail | Dimensions & fit: Shaft height: 36 cm | Heel height: 41 mm | Composition & care: Leather | Synthetic | Sheepskin (lining)