The Kamik Women's SIENNA MID 2 Winter Boots are stylish, functional, and perfect for someone looking to face the cold weather. These boots have an upper made of seam-sealed waterproof leather, water-resistant flannel/knit, as well as warm HEAT-MX™ thermal insulation offering a complete bundle of warmth and protection. The insoles are removable and consist of molded EVA adding supplemental cushioning and comfort for rough terrains. On the bottom, the outsoles are constructed of waterproof/lightweight synthetic RubberHe shell and propriety technology that offers improved traction and increased flexibility so you can trudge through snow or slippery rain with confidence. The Kamik Women's SIENNA MID 2 Winter Boots are the best way to jump into the winter season!