Khaite Marfa Knee Boots combine smooth calf leather and a low 25mm heel for a sleek, knee-high silhouette that works from day to night. citeturn0search2turn0search1 Key attributes: Black | Calf leather | Pull-on shaft | Leather lining and insole | Leather sole | Knee-high silhouette | Squared toe | Low inset heel | Dimensions & fit: Heel height: 25mm. citeturn0search1turn0search2 | Regular fit — fits true to size. | Composition & care: 100% calf leather. citeturn0search1turn0search2