👉 Plainstanes is a term that refers to a type of flat, unadorned, and unpretentious clothing style. It was popularized by the 1960s and 70s fashion designers like Yves Saint Laurent, Jean-Paul Gaultier, and Karl Lagerfeld, who created a range of stylish yet unassuming clothing pieces that were considered to be comfortable and practical for everyday wear. Plainstanes are characterized by their simplicity in design, often featuring