With Baffin"s Katie, style never felt so warm. This boot is a combination of luxury materials such as natural shearling and suede and practical and functional Baffin elements such as seam sealing and waterproofing. Lined with Baffin"s very own B-TEK 4 channel hollow fibre insulation to maximize heat conservation the Katie is rated to -20C/-4F. So you are ready to take on all of your winter tasks in style.