For a chic look in the cold, choose the UGG Aldon Winter Boot. Featuring the PORON insole lined with UGGpure wool, this water-resistant boot not only provides moisture-wicking and warmth but also ensures excellent cushioning for a comfortable feel. 3mm PORON cushioned insole lined with 7mm curly UGGpure wool Water-resistant upper Cuffable shaft with metal D-ring Insole, shaft, vamp, and heel lined with 7mm curly UGGpure wool Embossed leather UGG logo on heel Molded rubber outsole.