Free Bird! This made-for-winter boot keeps you warm and snug, no matter how cold it gets outside your front door. Faux shearling lining keeps you nice and toasty, while memory foam insoles and non-slip All Terra outsoles give you comfort and confidence in every step. An asymmetrical side zipper makes it easy to slide right into this ready-for-duty winter boot. Microfiber terry w/ Memory Foam + EVA footbed. 5.51" shaft height. 11.66" boot leg circumference. 164