NK2477 Kamik Women's Sienna Mid 2 With quilted accents and eco-friendly leather, the Sienna Mid 2 boot is both playful and practical. Because you might want to run through the snow in these beauties, Kamik has added lightweight RubberHe bottoms with deep, self-cleaning treads for superior stabilety and traction. HEAT-MX insulation for warmth and seam-sealed waterproof construction to keep you dry make this is a real must-have. Comfortable down to -4 Fahrenheit Made in USA/Canada Seam-sealed waterproof Combination of waterproof leather and water resistant flannel/knit quilted upper ISA TanTac's LITE eco-friendly leather HEAT-MX sustainable thermal insulation Moisture wicking fleece lining Removable molded EVA footbed for cushoning Odor-elimination, natural and non-toxic Cleansport NXT treatment Recyclable synthetic shell Deep, self-cleaning treads for stability in snowy conditons