Traditional Dr. Martens 4-eye safety boot with hard wearing air-cushioned sole unit and Industrial strength leather, Smartmask PU cushioned footbed. Padded collar and tongue Safety toe cap which conforms to and exceeds European Standard. Dr Martens Safety Boot with Z welt Air Cushioned PVC Sole Yellow Stitching Accents Padded Collar and Tongue SB-E-SRA Conforms to ISO20345