100% Suede leather. Twinface sheepskin upper Sheepskin lining and insole Treadlite by UGG outsole for comfort Topically applied water repellency treatment UGG Classic Boot was originally worn by surfers to keep warm after early-morning sessions, and has since become iconic for its soft sheepskin and enduring design. Incorporating a durable, lightweight sole to increase cushioning and traction, these versatile boots pair well with practically anything – try loose boyfriend jeans and a velvet top. This product was made in a factory that supports women in our supply chain with the help of HERproject, a collaborative initiative that creates partnerships with brands like ours to empower and educate women in the workplace.