Comfortiva Calla are comfy and versatile boots. These cold weather shoes have oiled suede or printed leather ruched uppers, memory foam footbed and TPR outsole. A side zipper, microfiber lining, round toe, 1 ¼ inch heel height and 4 ½ inch shaft height will make these booties a new favorite. Oiled Suede or Printed Leather Upper Memory Foam Footbed Side Zipper TPR Outsole