What is a selvage?

A selvage is the seamless edge of a woven fabric. It is created by a continuous cross yarn and prevents the fabric from fraying. Selvage denim is best identified by looking at the inner seams. It has become associated with high-quality, upper-end garments. The edges of selvage denim are usually marked off with a colored thread. The selvage is the distinguishing characteristic of denim woven on a traditional shuttle loom, typically producing a bolt 90cm wide which comes off the loom with a finished edge.