Product Information for Dr. Martens Product Description The Burnham NS 6 Tie Boot represents classic Dr. Martens industrial design and function. Made with the best materials this boot features a padded collar padded ankle support a safety steel toe cap industrial strength cord lacing an air cushioned sole and an oil fat petrol and alkali resistant outsole. Dr. Martens Size Chart (orders placed in UK sizes): Additional Info Padded Fit: True to Size Outsole: Rubber Upper: Volcano Leather Industrial Greasy Leather