Now pretreated to repel water and stains, this brand customer favorite keeps the look classic with a split shaft that allows tufts of fleecy lining to show at the opening and is secured by a wooden logo button. A new Treadlite by UGG sole offers supremely lightweight cushioning, flexibility and traction, while the soft, cozy lining is made from genuine shearling. Style Name: Ugg Bailey Button Ii Boot (Women). Style Number: 5179639. Available in stores.