Get ready to do the impossible, the Blundstone BL066 is the boot that will get you through those rough situations and dirty deeds without a scratch. Leather upper breathes to keep your feet comfortable. Full-length Cambrelle comfort footbed wicks away moisture. Glove soft leather lining. EVA/Poron removable footbed. Sturdy front and back pull-on tabs. Elastic gore stretch fabric for easy on/off. Twin-needle reinforced stitching with a high tensile strength thread. Heat-formed heel for a better fit. Shock Protection System (SPS) disperses shock at the heel strike and reduces skeletal stress. Injection molded soles for seamless fusion to the upper. Dual-density thermopolyurethane outsoles are weatherproof, lightweight, durable, and provide superior traction. Measurements: Weight: 1 lb 4 oz Circumference: 12 in Shaft: 6 1 4 in Product measurements were taken using size AU 10.5 (US Men's 11.5), width Medium. Please note that measurements may vary by size.