This is a Goodyear-welted product. The upper and sole are heat-sealed and sewn together, not merely glued like many footwear constructions.
Airwairs original signature leather: a firm, finished leather with a smooth, semi bright appearance.
This sole is hard-wearing, with good abrasion and slip resistance.
[Smooth] = Clean Away dirt using a damp cloth, allow to dry apply correct coloured wax based shoe polish to restore shine as desired.