JBU Briar Ankle Boot with Faux Shearling Fur Detail Combat the cold while staying equally comfortable and stylish in these Briar boots. Made with a microsuede upper, they have insulating microfiber terry linings and a bold lace-up detail at the side for a bit of edge. The zipper closure helps ensure they're easy to slip on and off while the memory foam insoles provide plush cushioning. Good to Know The Briar is built on the REVAMP construction which has been approved by the APMA to promote good foot health. When wearing a thin sock, this boot fits comfortably like a shoe. To wear with a thick sock, size up one half-size.