Here are some repair techniques for your beloved Guess jeans in case they get torn:
Consider utilizing a ladder stitch, which produces an almost invisible line, for small, straight tears. A needle, matching denim thread, and, optionally, an iron-on denim patch for reinforcement are needed for this technique. Look up instructions on the internet for sewing a ladder stitch on jeans.
Darning is a more involved sewing technique that involves weaving new threads into the fabric to create a strong patch for larger tears or holes. Darning instruction is available online and at your local library.
An iron-on denim patch can be used if you'd rather not use a sewing machine. Just cut the patch to the appropriate size, slide it over the hole in your jeans, and iron it on as directed on the package. Another no-sew method that is effective for small rips or tears is fabric mending tape.
Flip your jeans inside out and use scissors to trim any frayed edges before beginning repairs. Use a denim needle when sewing to avoid breaking it. Finally, think about embellishing your repair with patterned patches or contrasting thread for a decorative touch.
Feel free to contribute further information or insights in the comments or file your complaint.