Stretchability is the amount of give that denim has when being pulled in opposite directions. Rigid has no stretch, while Extra has the most stretch.
Shown here with: 70s Tennis Shoe - Doodle White Navy
Shown here with: Comfort Stretch High Rise Ankle Crop - Medium Worn 31
Shown here with: Comfort Stretch High Rise Stove Pipe - Faded Coal with Rips
Shown here with: Short Cavalry Boot - Black