Free shipping and returns on UGG® Australia 'Cardy' Classic Knit Boot (Women) at Nordstrom.com. UGG® Australia reinvents a favorite style with a cozy, sweater-knit upper. You can play with a variety of looks by wearing the boots slouched down, folded over or all the way up. Reversible buttons add to the look, with larger buttons visible when the boot is fully extended and smaller ones seen when it’s folded over. A signature genuine shearling footbed ensures incredible comfort and warmth.