With the classic UGG® feel on the inside, the Hannen fuses a ruggedly casual foundation with a hip, contemporary feel. Ultra-rich, oiled and waterproofed full-grain leather features lace-up front, leather pull tab detail, and exclusive Vibram® outsole for durability and traction. Signature UGG® sheepskin lining brings breathability, moisture-wicking benefits, and temperature control to a polished, yet relaxed, staple shoe. Fully lined in luxurious, natural wool, this rugged boot is cold weather rated to -20 degrees Celsius