PU/TPU soleGreen tag is certified by Canadian Standard Association safety work shoes/bootsPremium full-grain leather upper lasts long. High abrasive PU/TPU outsole;KINGPAD ultra-comfortable insoleMetal free composite cap for lightweight and safety of your toes. Composite LENZI plate for more flexible walkingSuper light and the most comfortable safety shoes in the market; Water/oil/salt resistantPlease check our size chart for more sizing information; NOTE: XW or 3E means widefit