It can take in months, sometimes years to break in a new pair of khakis to the point of perfection – super soft, floppy, but not frayed. And about as comfortable as any pair of khakis could ever be. This point in time is our goal when we produce every batch of Bills Khakis Vintage Twills. The secret is the right combination of fabric and wash formulation. The result is part art, but mostly science.