Leather lace-up Worker/Hiking Boots Made of leather, in a handmade production with soles made out of recycled rubber. These are the famous/traditional Portuguese worker boots, well known for their robustness. Vintage tendency and preference for traditional materials are back. The leather was treated with tallow which makes it water-resistant. Initially used by workers in Portugal for their enormous strength and durability, these boots have become a symbol of vintage footwear, being widely used by public figures that made them an essential part of their look. Even though these boots have been improved for decades, they retained their traditional look, now having a unique quality that allows these boots to last a long time. Goodyear welt construction is regarded as the superior method of shoe-making because of its many advantages. It provides strength, shape retention, durability, ventilation and is reparable.