For all your winter needs, UGG updated their best seller to perform in even harsher conditions, with a range of high-tech benefits and a new fit created specifically for movement. A DryTech waterproof finish furthers the rugged appeal of this essential lace-up boot. For extra comfort, the boot is lined with plush UGGpure™, a textile made entirely from wool but designed to feel and wear like genuine shearling.