The designs behind the Rugged Boot Collection are simple yet stylish. This collection is great if you"re looking for a boot that combines both comfort and style. Upper: Rich full grain waterproof leathers and sheepskin. Insole/lining: Interchangeable leather & sheepskin insoles for versatility. Sheepskin lined. Outsole: Molded rubber outsole for better traction and durability with Deco UGG embossed leather tab on midsole.