How to Fix a Hole in a Sweater

The finished result: How to Fix a Hole in a Sweater
  • Difficulty: Medium
  • About 20 minutes
  • 7 steps

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Steps written out by Crafting Step by Step from Repair What You Wear's video (opens YouTube) (5:41). Published .

A hole in a wool sweater starts small and gets bigger every time you pull it over your head. The fix is hand sewing, no machine, and it takes about ten minutes. This walkthrough follows Repair What You Wear mending a lambswool jumper by catching the broken knit loops around the hole and drawing them back together.

Two things make her method work. She stitches from the inside of the garment, on the purl side, where the thread travels through the thickness of the wool and never shows on the front. And she uses bright yellow thread on purpose. Repair What You Wear mended in a matching color in an earlier video and viewers said the stitches were impossible to follow, so the yellow here is a teaching choice. Your own thread should sit as close to the sweater color as you can get it.

The same move fixes a snag. A snag that has pulled through leaves a long loop on one side and a tight line either side of it, which is the same broken structure seen from a different angle. You anchor behind sound loops and ease the slack back in the way shown here. Catch a snag early and it never becomes a hole at all.

If the gap is wider than a fingernail, or the wool around it has gone thin and fuzzy, darning is the better repair, since it weaves a whole new patch of fabric across the space. Closing a hole in woven fabric works differently again, and a patch is the answer for a worn elbow. Knitters who spot a ladder running down the knit should pick the dropped stitch back up before reaching for a needle and thread.

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Quick answer

Fix a hole in a sweater by hand in about ten minutes. A medium project: about 20 minutes. Materials cost about $2 to $4. You need 6 things, including Hand sewing needle, Small sharp scissors and Steam iron or garment steamer. The 7 steps start with find the Hole and Look at the Broken Knit Loops, cut a Length of Thread to Match the Sweater and turn the Sweater Inside Out and Anchor the Thread.

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7 steps, about 6 minutes. Tap a picture to jump to that step. Your progress saves automatically.

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  1. Step 1: Find the Hole and Look at the Broken Knit Loops

    Watch this step · 0:20

    Spread the sweater out flat with the damage in the middle and good light falling on it. Run a needle tip around the edge of the hole. Knit fabric is one long strand looped through itself, so a hole means a few of those loops have snapped and the rest are pulling away from the gap.

    Check how far the damage runs. A hole the size of a pea takes a couple of minutes. If the wool around it feels thin, the repair has to reach out into sound knitting on every side.

    Tip:

    Slide a darning mushroom or a piece of card under the hole before you start. It stops you stitching the front and back of the sweater together, which is the most common way this repair goes wrong.

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  2. Step 2: Cut a Length of Thread to Match the Sweater

    Watch this step · 0:55

    Ordinary sewing thread is all this takes. No yarn, and no need for an exact match. Hold a couple of spools against the knit and pick whichever one disappears fastest. Cut a length about as long as your forearm. Anything longer tangles on itself while you work.

    Repair What You Wear stitches this whole repair in bright yellow, which is for the camera rather than the sweater. She switched to a contrasting color after viewers said a matched thread was too hard to follow on screen.

    Tip:

    Wool is rarely one flat color. Look at the knit in daylight and match the lightest tone you can see in it. A slightly light thread reads as a highlight. A dark one reads as a line.

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  3. Step 3: Turn the Sweater Inside Out and Anchor the Thread

    Watch this step · 1:25

    Turn the sweater inside out so the purl side faces up, the side where the knit reads as rows of small bumps. Every stitch happens here. Working from the back keeps the thread buried in the thickness of the wool instead of sitting on the surface.

    Begin about half an inch away from the hole. Take the needle under the back of one loop and wind the thread around it two or three times. That holds the thread with no knot. Do not push the needle all the way through to the front or the color will show.

    Tip:

    Knots are the enemy in knitwear. A knot on the inside rubs against skin and works itself loose in the wash. Winding around a loop holds better and leaves nothing to feel.

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  4. Step 4: Catch the Vertical Knit Loops Beside the Hole

    Watch this step · 1:45

    Look at the knit right beside the gap. The strands running up and down are the vertical loops, the chains of the knitting, and those are what you rebuild. Slide the needle under one of them at the edge of the hole and draw the thread through.

    Where a loop has visibly split, catch that one. Bring the needle back out a loop further along and keep every stitch shallow so it stays inside the wool. The thread moves through the fabric, not over the top of it.

    Tip:

    If you cannot pick out the loops, lay the sweater on a light surface and tilt it toward a window or a lamp. The structure of the knit shows up far better against a contrasting background than it does on your lap.

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  5. Step 5: Carry the Needle Up Over the Hole and Back Down

    Watch this step · 2:20

    Take the thread up across the hole, catch a loop on the far side, then come back down into the loop next along on your own side. That up and over and back down path is the entire repair. Every pass brings one more pair of broken edges together.

    Vary the length of the passes to follow the shape of the hole. A tear is rarely round, and short stitches at the narrow end with longer ones across the middle stop the mend puckering into a point.

    Tip:

    Pull each pass a fraction, no more. Closing the hole is the job of the whole set of stitches, not any single one, and thread hauled tight now will snap the first time the sweater stretches over your head.

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  6. Step 6: Work Back Along the Horizontal Loops and Ease the Hole Closed

    Watch this step · 3:58

    With the vertical loops caught, go back across the mend using the horizontal loops, the small bars that run side to side between the chains. Pick them up the same way, needle under the bar and out again, travelling across the repair.

    This pass is where the hole really closes. Draw the thread a little firmer as you go and the two edges walk toward each other. Ease them together rather than hauling on them. Wool responds to coaxing, and what you are avoiding is a lumpy scrunched bunch sitting in the middle of a smooth sweater.

    Tip:

    Turn the sweater right side out every few stitches and check the front. Loosening a stitch that pulls too hard is quick now. Unpicking a finished mend is not.

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  7. Step 7: Fasten Off the Thread and Bury the Tail in the Knit

    Watch this step · 4:50

    Move a short way off the mend into sound knitting and work one or two small stitches to lock the thread, the same wind-around-a-loop move you started with. Then run the needle through the back of a few nearby stitches, pull the thread along and snip it close to the wool.

    Cut it flush and the tail retreats into the knit instead of dangling. Turn the sweater right side out and look. With a close color match the repair reads as a slight kink in one line of knitting and nothing more.

    Tip:

    Give the mend a steam to settle it. Hover the iron above the wool and let the steam do the work, because the soleplate must never touch the knit. Steam draws the fibers back together. A hot plate flattens them and leaves a shine.

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How to Fix a Hole in a Sweater

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Question 1 of 5

Which side of the sweater do you stitch from?

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Key takeaways from How to Fix a Hole in a Sweater

5 questions, answers, and one-line explanations. Tap to expand.

  1. 1.Which side of the sweater do you stitch from?

    Answer: The inside, on the purl side

    Working from the back buries the thread in the thickness of the wool.

  2. 2.Why does the mender use bright yellow thread in the video?

    Answer: So viewers can follow every stitch

    Your own thread should sit as close to the sweater colour as you can get.

  3. 3.What exactly does the needle catch?

    Answer: The broken vertical and horizontal loops

    Knit fabric is one strand looped through itself, and you rebuild those loops.

  4. 4.When is darning the better repair?

    Answer: When the gap is wider than a fingernail

    Darning weaves a whole new patch of fabric across the space.

  5. 5.How does this same method help with a snag?

    Answer: A snag is the same broken structure seen differently

    Catch a snag early and it never becomes a hole at all.

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