The 508 from Blundstone has tough yet streamline style that keeps you comfortable all day long. Premium leather upper for durability. Red elastic gore on sides for pop of color. Soft synthetic lining for added comfort. Cushioned EVA footbed with XRD technology in the heel strike zone for excellent shock absorption. PU midsole for supportive comfort. Durable rubber outsole with pronounced lug pattern for excellent traction. Imported. Measurements Weight 1 lb 6 oz Circumference 10 1 4 in Shaft 6 in Product measurements were taken using size AU Men's 12, width Medium. Please note that measurements may vary by size.