SKU 8004202 The Blundstone BL584 Classic 550 Chelsea Boothave the rugged durability to keep you comfortable all day long. Waterproof premium leather upper. Blundstone recommends ordering a half size up for a Wide fit. From the Thermal Series. Thinsulate™ lining provides protection and warmth on those cold days. Waterproof elastic gore on sides for added protection and easy on and off. Sturdy front and pack pull-on tabs. Removable sheepskin footbed for added warmth and added underfoot comfort. Shock Protection System (SPS) Xtra disperses shock at the heel strike and reduces pressure points. Removable sheepskin footbed with XRD® Technology in the heel for supreme shock absorption. Heat-formed heel with accurate curved surface adapted to efficiently fit the size of the user's heel, thereby enhancing comfort of the insole. Injected molded dual-density thermopolyurethane flexible outsoles are weatherproof, lightweight, durable, and provide superior traction. Product measurements were taken using size AU 9.5 (US Men's 10.5), width Medium. Please note that measurements may vary by size. Measurements: Heel Height: 1 1⁄4 in Weight: 1 lb 5 oz Circumference: 11 in Shaft: 6 in View Zappos.com Glossary of Terms Blundstone 584 Thermal Chelsea Boots