This is a Goodyear-welted product. The upper and sole are heat-sealed and sewn together, not merely glued like many footwear constructions.
A heavy weight classic waxed American style pullup Analine leather.
This sole is hard-wearing, with good abrasion and slip resistance.
[Brando] = Clean Away dirt using a damp cloth, allow to dry apply a clear wax based shoe polish to restore shine if a shiny look is desired, or add DR MARTENS WONDER BALSAM if a duller look and waxy feel is desired.