A manufacturer defect applies to defective materials and/or workmanship. Please view the full warranty policy of UGG, provided below:
The UGG® warranty applies to footwear less than one year old from date of purchase and applies to defective materials and workmanship. All items sent to UGG® which are past one year from date of purchase will be evaluated on a case-by-case basis. Please note that UGG® can offer an exchange or credit but does not perform repairs.