How To · Fashion · Build
Tailor Your Jeans Without Sacrificing That Original Hem
The original hem on your jeans is sacred—it's part of what makes them look intentional. Here's how to take them in at the inseam while keeping that authentic edge exactly as it was.
5 min read · IrisThat factory hem on your jeans—the one that might be slightly frayed or perfectly clean—is doing more work than you think. It's a design detail. It signals authenticity. And once you cut into it, you can't get it back. The good news: you don't have to. Professional tailors know how to take in jeans at the inseam, the seam that runs up the inside of your leg, which means your original hem stays put.
This technique works whether you need to taper the leg, shorten the inseam, or both. It requires basic sewing skills and the right tools, but it's absolutely doable at home if you're comfortable with a needle or have access to a sewing machine. Even better: it costs a fraction of what a tailor charges, and you'll understand exactly what's happening to your favorite pair.
The inseam is invisible when you're wearing them, which makes it the perfect place to make adjustments without changing the jean's personality.
What you'll need.
- 01Tailor's chalk or fabric pen
- 02Measuring tape
- 03Sharp fabric scissors
- 04Seam ripper
- 05Needle and thread (matching color) or sewing machine
- 06Pinking shears or zigzag stitch capability
Step one · 5 minutes
Try on and mark your target length
Put on the jeans with the shoes you'll actually wear them with. Stand in front of a mirror and have someone mark where you want the hem to hit—ideally just grazing the top of your shoe. Use tailor's chalk or a fabric pen to mark both legs at the same height. Measure from the crotch seam down to your mark on both sides; write these numbers down. This is your target inseam length.
Sit down while wearing them too. Jeans should have a tiny bit of extra length when you're seated so they don't ride up.
Step two · 10 minutes
Measure and plan your inseam adjustment
Lay the jeans flat on a table with the inseam facing up. Measure the current inseam length from the crotch point (where the inseam meets the waistband) down to the hem. Subtract this from your target length to find out how much you need to remove. If you're also tapering, measure the current width at the ankle and decide how much narrower you want it. Mark your new inseam line with tailor's chalk, creating a gentle taper if needed—the line should be almost straight, not dramatically curved.
Take a photo of your measurements. You'll need them if you're doing both legs and want them to match exactly.
Step three · 15 minutes
Cut and prepare the inseam
Using sharp fabric scissors, carefully cut along your marked line. Leave about half an inch of seam allowance beyond your cutting line—you'll need this for finishing. Once cut, use a seam ripper to carefully open the original inseam stitching from the hem up to about 2 inches below where your new seam will start. You're not removing the entire inseam, just enough to allow the fabric to lay flat when you sew your new seam. The original hem stays completely untouched.
Go slowly with the seam ripper. You're just breaking the thread, not cutting the fabric. The original hem stitching should remain intact.
Step four · 10 minutes
Sew the new inseam
Thread your needle or load your sewing machine with thread that matches your jeans. Starting from the crotch, sew along your marked line using a straight stitch. Use a backstitch if hand-sewing, which creates a strong seam. Sew all the way down to where the original inseam begins again (about 2 inches above the hem). Your new seam should be parallel to the original hem line, not angled toward it. Stop before you reach the hem—this is the whole point.
If using a machine, use a heavy-duty needle and go slowly through the thick denim layers near the crotch.
Step five · 5 minutes
Finish the raw edge and try them on
Trim any excess fabric from your new seam allowance, leaving about a quarter inch. Use a zigzag stitch (by hand or machine) along the raw edge to prevent fraying, or use pinking shears for a quick finish. Try on the jeans. The original hem should still be there, completely unchanged. The new inseam should feel secure and lie flat. If the length is off, you can make minor adjustments, but the hem itself remains your original factory edge.
Wash and dry the jeans before making any final adjustments. The fabric may shift slightly after the first wash.
How to know it works.
Your jeans should look like they always have from the outside, but fit better through the leg. The original hem is still there, exactly as it was. The new inseam is secure, flat, and invisible when you're wearing them.
Questions at the mirror.
Can I do this if my jeans have a selvedge edge?
Yes. Selvedge is typically on the outside of the leg, not the hem. Your factory hem is still separate and can be preserved using this method.
What if I need to shorten and taper at the same time?
Mark both adjustments on your chalk line before cutting. The new inseam should taper gradually from the crotch down, not suddenly at the ankle. This keeps the jeans looking intentional.
Can I hand-sew this or do I need a machine?
Hand-sewing works, but it takes longer and requires a strong backstitch. A sewing machine is faster and creates a more durable seam, especially on heavy denim.
What if I mess up and cut too close to the hem?
You can still salvage it. Open the inseam further up, and sew a new seam that's slightly wider. You'll lose a tiny bit of the original hem, but not all of it.