The V-stitch is a row of single needle stitches found on the fly of jeans.
It typically runs from the top of the waistband to about a couple centimetres below the waistband, and then in an angle back up to the waist button, creating a V shape.
The V-stitch is a common feature of vintage Levi’s jeans, and was a standard feature on 501 jeans up until 1969. It’s also often found on Japanese and other repro jeans.
Reference: Heddels
