UGG x Willy Chavarria Biker Boot is crafted from leather and reimagines UGG's iconic silhouette with a rugged, moto-inspired design. Featuring a mid-calf profile, chrome hardware detailing, and UGG's signature plush sheepskin lining, the boot combines bold utility styling with exceptional comfort. Main Material: Leather. Lining: Sheepskin. Unisex style in men's sizes. DESIGNER STYLE ID: 1186775-BLK COLOR: BLACK