About the Kamik Sienna 3 The Kamik Sienna 3 is a stylish women's boot designed for winter use. Fully seam-sealed, they guarantee to keep your feet dry and are suitable to use in temperatures down to -20 degrees Celsius. The leather, flannel and knit quilted upper is waterproof, which is ideal for wet rainy conditions and snowy walks through resort. Sourced from a gold-rated tannery, the leather on the Sienna 3 is more eco-friendly in terms of it's water and energy use, as well as waste management services. The soft fleece liner helps to wick away moisture, while the Heat MX sustainable insulation guarantees to keep your feet warm. The Sienna 3's outsole is made using synthetic Rubber HE, which has been specially developed by Kamik to be 50% lighter than natural rubber. It is also very strong, and also 100% recycled. It provides excellent grip on wet surfaces, making the Sienna 3 perfect for enjoying the après and wintery walks closer to home. Keep out the snow and rain in style with the Sienna 3 Women's Winter Boots from Kamik. Guaranteed to keep your feet warm and dry, the Sienna 3 is a must-have this winter. Sienna 3 Women's Winter Boots