Go ahead and cross that bridge to absolute foot comfort in the Dr. Martens Work Ironbridge NS. Features Industrial Grizzly leather upper for rugged toughness and durability. Soft toe. Padded collar for optimum fit. Contrast stitched detailing. Cosmo moisture wicking lining. Smartmask padded footbed for cushioning. Welted Z-Stitch construction. Dr. Martens air cushioned sole for additional shock absorbing properties. ASTM F1677-2005 Mark II rated for slip-resistance. Water-resistant leather with Electrical Hazard (EH) protection. Trans PVC outsole for maintaining constant grip. Imported. Measurements: Weight: 2 lbs 3 oz Circumference: 13 in Shaft: 5 1 2 in Product measurements were taken using size UK 10 (US Men's 11), width Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.