The word "Strobel" describes the specific way of stitching upper leathers and lining to the insole of footwear. The Strobel construction offers a much higher flexibility and strength than many other types of construction.

The outsole is normally either cemented or stitched to the insole to complete manufacture.

Step 1:
The insole is stitched to the upper

Step 2:
The outsole is cemented to the insole