When vulcanized rubber first hit the scene in the ‘30s, folks like Warrior Shanghai had no idea that the newly-found technology would allow them to create some of the most lasting styles in footwear history. Trusted by sneaker lovers for their boot-like durability and elevated style, Warrior Shanghai’s traditional vulcanized rubber shoes haven’t veered far from their nearly 100 year-old designs. Today, they make for an absolute wardrobe workhorse that you can dress up or down—with jeans and a tee or chinos and a crisp buttondown.