The basic stitch for small holes

A small hole in pants—the kind you find on the thigh, calf, or seat—closes fastest with a ladder stitch, also called a hidden stitch. This stitch pulls the edges of the hole together from the inside so the repair is nearly invisible from the outside. You thread a needle, knot the end, and work along the inside of the fabric, catching tiny bits of each side of the hole in turn. The thread runs inside the fold of fabric, not across the hole itself, so when you pull it tight, the hole seals shut.

You will need a needle, thread that matches your pants, small scissors, and a thimble if your fingers are tender. Thread color matters more than you might think—a thread that is too light or too dark will show even with a hidden stitch. If you cannot find an exact match, choose a shade slightly darker than the fabric; it will disappear better than one that is too light.

Key Takeaways

  • Small holes close with a ladder stitch, which hides the repair inside the fold of fabric so it does not show from the outside.
  • Large tears or holes in high-stress areas like the crotch or knee need a patch sewn underneath for strength, not just a ladder stitch.
  • Thread color should match your pants as closely as possible; a slightly darker shade is better than one that is too light.
  • A hole that has already started to fray needs the edges trimmed and sealed before you stitch, or the repair will unravel.

Preparing the hole before you stitch

Before you thread the needle, look at the edges of the hole. If the fabric is frayed—the threads are loose and fuzzy—trim them with small scissors. Cut away only the loose threads, not the solid fabric. A frayed edge will keep unraveling even after you stitch, so this step prevents the hole from growing back.

If the hole is very small (smaller than a pencil eraser), you can stitch it closed directly. If it is larger or the edges are ragged, you may want to use a patch instead. A patch is a piece of fabric sewn underneath the hole to reinforce it. This is especially important if the hole is in a place that gets a lot of stress, like the crotch, inner thigh, or knee.

Sewing a ladder stitch for small holes

Thread your needle and tie a knot at the end. Bring the needle up through the fabric on one side of the hole, about one-quarter inch away from the edge. The knot should stay inside the fold of fabric so it does not show. Take a tiny stitch—about one-eighth inch—into the fold on the opposite side of the hole. The needle should travel inside the fold, parallel to the hole, not across it.

Bring the needle back out and move it across to the first side again. Take another tiny stitch into that fold, moving forward along the hole. Keep alternating sides, working your way along the entire length of the hole. Your stitches should be small and close together—the closer they are, the stronger the repair. After every three or four stitches, pull the thread gently to draw the edges of the hole together. Do not pull hard; a steady, gentle tension works better than a sudden yank.

When you reach the end of the hole, take two small stitches in the same spot to lock the thread, then bring the needle through the fabric one more time and cut the thread close to the surface. The knot and the end of the thread should both be hidden inside the fold.

Using a patch for large holes or tears

A patch is necessary when the hole is larger than a dime, when the fabric is torn rather than just punctured, or when the hole is in a place that bends and stretches a lot. Cut a patch from fabric that matches your pants—an old pair of the same material works well, or use a patch kit from a fabric store. The patch should be at least one inch larger than the hole on all sides.

Pin the patch to the inside of the pants, centered over the hole. Thread your needle and stitch around the edge of the patch using a straightforward running stitch (in and out, in and out, moving forward). Keep your stitches small and even, about one-quarter inch apart. You can also use a zigzag stitch if your needle work is steady, as this grips the edges better. Once the patch is sewn down, you can close the hole itself with a ladder stitch on top, or leave it as is if the patch is holding it closed.

Reinforcing seams that are splitting

Sometimes a hole appears because a seam has split open rather than because the fabric itself tore. This is common along the inseam or the crotch. If you can see the seam line clearly, you can restitch it using a backstitch, which is stronger than a running stitch. Backstitch means you push the needle forward, then bring it back to the end of the last stitch and push forward again, overlapping your stitches.

Start at one end of the split seam and work toward the other, following the original stitch line as closely as you can. Your stitches should be small—about one-eighth inch—and tight. If the seam has frayed badly, trim the loose threads first. After you have restitched the seam, you can reinforce it with a patch on the inside if it is in a high-stress area.

Finishing touches and when to stop

Once your stitch is complete, try on the pants and move around. Bend, sit, and stretch to make sure the repair holds. If you see the hole starting to open again, take the pants off and add more stitches or reinforce with a patch. A repair that is too tight can actually pull the fabric and make the hole worse, so do not over-stitch.

If the hole is very large, the fabric is thin or delicate, or the damage is in a seam that bears a lot of weight, consider whether the pants are worth repairing. A hole larger than a quarter in a high-stress area may reopen quickly even with a patch. If you are unsure, a tailor can assess the damage and tell you whether a repair will hold. Many tailors charge between fifteen and thirty dollars for a patch repair, which may be worth it for pants you love.

Frequently Asked Questions

Can I sew a hole closed without a patch?

Yes, if the hole is small and the fabric is not torn. A hole smaller than a dime can close with a ladder stitch alone. Larger holes or tears need a patch underneath for strength, or the stitch will pull the fabric and the hole will reopen.

What kind of thread should I use?

Use all-purpose polyester or cotton thread that matches your pants as closely as possible. Thicker thread (like buttonhole thread) is stronger but more visible. For most repairs, standard all-purpose thread is fine. Avoid thread that is too light or too bright, as it will show even with a hidden stitch.

How do I keep the hole from getting bigger while I am sewing?

Pin the edges of the hole together loosely before you start, or hold them gently with your fingers as you work. Do not pull the thread too hard—a steady, gentle tension is better than a sudden yank. If the hole is very large or ragged, use a patch instead of trying to stitch it closed directly.

Can I machine-sew a hole closed?

A sewing machine can stitch a patch down quickly, but it cannot easily close a small hole with a hidden stitch. Machine stitching also shows on both sides of the fabric. For small holes, hand-sewing with a ladder stitch gives a better result. A machine works well for sewing patches down once they are pinned in place.

What if the hole is on a seam?

A split seam needs to be restitched along the original seam line using a backstitch, which is stronger than a ladder stitch. Follow the old stitch holes if you can see them. After restitching, you can add a patch on the inside for extra strength, especially if the seam is in the crotch or inner thigh.