Sanforization is a process used in textile manufacturing to pre-shrink fabrics, particularly cotton, before they are cut and sewn into garments. This process involves dampening the fabric, then mechanically stretching and manipulating it before subjecting it to heat. The combination of moisture, tension, and heat causes the fabric to shrink to a predetermined size, reducing the potential for further shrinking when the finished garment is washed or exposed to moisture. Sanforization helps ensure that clothes maintain their intended size and shape after washing.
All of AW's jean styles are sanforized except for the raw denim. In the case of raw denim, we believe that unsanforization leaves the fabric with the greatest capability to mold to the wearer's body when done right.
That being said, each raw denim has a calculated shrinkage rating which is noted in the description. We account for that shrinkage but cutting a slightly bigger than advertised pair of jeans (ie. a 34x32 is a 34+a little bit more).