Iconic Dr. Martens 7-eye safety boot with hard wearing air-cushioned sole unit and Industrial strength leather, Smartmask® PU-cushioned footbed. Standard: EN ISO 20345:2011 SB SRA E. Steel toecap. Slip resistant. Upper: Industrial corrected grain leather. Padded tongue. Safety toe cap which conforms to and exceeds European Standard. Hardware: Heavy duty metal eyelets. Laces: Industrial strength cord laces. Lining: Cosmo™ lunar foam backed lining. Footbed/Insole: Removable Smartmask® PU-cushioned footbed. Outsole: Air-cushioned, Commando Style, PVC sole. Construction: These shoes are heat-sealed then stitched. Slip Rating: SRA. Construction: This is a Goodyear-welted product. The upper and sole are heat-sealed and sewn together, not merely glued like many footwear constructions. Material: A corrected grain leather that has been embossed to give a leather grain effect. Sole: This classic Dr. Martens PVC patterned sole is heat-sealed and benefits from a wooden shank for improved mid-foot ridgidity. It’s slip-resistant with a high degree of oil and abrasion resistance and has first-class energy absorbing qualities in the heel strike area.