Nothing evokes back-to-school like the smell of new denim. When you buy a pair made of untreated raw denim, some experts recommend wearing for six months before washing. Why? It takes wear to break down super-stiff fibers, and during the process the jeans actually conform to your shape. When you do wash (or have us expertly wash or dry clean), turn inside out, use cold water in a gentle cycle. If you want them to fade, use hot water. Lay flat or hang upside down to air dry, avoid a hot dryer.