How to Repair a Cashmere Sweater Hole

Repair Is Almost Always Cheaper Than Replacing

A new cashmere sweater costs $80 to $300. A professional repair costs $20 to $75. Even a home repair kit — darning needle, matching yarn, and a darning mushroom — costs under $15 and handles dozens of repairs. The math favors fixing every time, but the question most people actually have is whether the repair will look good enough to be worth the effort.

The answer depends on the hole type, its location, and the method you choose. This guide helps you decide: fix it yourself, send it to a professional, or (rarely) accept that the damage is beyond saving.

Assess the Damage First

Before you pick a repair method, look at three things:

• Size. Holes under 1cm are straightforward home repairs. Holes between 1cm and 3cm can be fixed at home with more advanced techniques or sent to a professional. Holes over 3cm almost always need professional reweaving for an invisible result.
• Location. A hole on the back, under the arm, or at the hem is easy to hide — even a visible repair goes unnoticed. A hole on the front chest, neckline, or sleeve cuff is highly visible and demands a more precise technique.
• Surrounding fabric condition. If the fabric around the hole is thinning (common at elbows), patching the hole alone will not last — the thin area will develop new holes nearby. You need to reinforce the whole area.

Hole Size	Location	Recommended Approach	Estimated Cost
Under 5mm	Anywhere	DIY darning (10 min)	$0-$5 (supplies)
5mm-1cm	Hidden area	DIY darning or duplicate stitch	$0-$5
5mm-1cm	Visible area	DIY duplicate stitch or professional	$0-$30
1cm-3cm	Hidden area	DIY felted patch	$5-$10
1cm-3cm	Visible area	Professional reweaving	$30-$60
Over 3cm	Anywhere	Professional reweaving	$50-$100+

DIY Repair Supplies You Need

A basic cashmere repair kit costs under $15 and handles most small repairs. Here is what to get:

• Darning needles — blunt-tipped with a large eye, sold in multi-packs at craft stores. Blunt tips are important — sharp needles split cashmere fibers and make the repair worse.
• Matching yarn — cashmere or fine merino in a matching color. If you cannot find an exact match, go slightly darker rather than lighter — darker thread disappears better against most fabrics. Some people save scraps from the sweater's original packaging or inside seam allowances for exactly this purpose.
• Darning mushroom or egg — a smooth rounded form placed behind the fabric to hold it taut while you work. A smooth light bulb or tennis ball works in a pinch.
• Small scissors — for trimming thread ends flush.
• Felting needle (optional) — a barbed needle for bonding fiber patches. Only needed for larger repairs or reinforcing thinned areas.

Quick Darning Method for Small Holes

This is the fastest repair for moth holes, small snags, and pinholes. Takes under ten minutes once you have done it a couple of times.

1. Turn the sweater inside out and place the darning mushroom behind the hole.
2. Thread the needle with about 30cm of matching yarn. Do not knot the end.
3. Starting 5mm from the hole edge, make small running stitches across the hole horizontally, catching fabric on both sides. Leave a short tail at the start.
4. Once horizontal threads span the hole, weave vertically through them in an over-under pattern. Keep tension even — too tight puckers the fabric, too loose leaves the repair baggy.
5. Secure the thread by weaving back through 1cm of existing fabric, then trim.
6. Turn right side out and gently press the area with your fingertip to blend.

For a more detailed walkthrough of darning, duplicate stitch, and felted patches, see our companion guide on fixing holes in cashmere.

When DIY Is Not Enough

Send the sweater to a professional when:

• The hole is in a highly visible spot and you need an invisible repair
• The hole is larger than 1-2cm and involves missing fabric (not just a pulled thread)
• The damage is in a patterned area — cables, ribs, or colorwork — where the repair needs to match the pattern
• There are multiple holes (common with moth damage) and you want uniform treatment
• The sweater has sentimental or significant monetary value

Finding a Professional Reweaver

Professional reweavers and invisible menders are specialists — not every dry cleaner or tailor does this work. Here is how to find one:

• Search for "invisible mending" or "reweaving" plus your city name
• Ask high-end dry cleaners — they often have referral relationships with reweavers even if they do not do the work in-house
• Check with local yarn shops or knitting guilds — they usually know who does quality knitwear repair in the area
• Mail-in services exist for areas without local options — several reweaving specialists accept garments by mail and return them within two to four weeks

When you contact a reweaver, send a photo of the damage before shipping the garment. They can estimate cost and tell you whether the repair is feasible before you commit.

Preventing Future Holes

The best repair is the one you never have to make. Most cashmere holes fall into preventable categories:

Moth prevention: Wash cashmere before storing for the season — body oils are what attract moths, not the fiber itself. Use cedar blocks (replace every six months when the scent fades) or lavender sachets in drawers and garment bags. Sealed containers add another layer of protection.

Snag prevention: Remove jewelry before putting on cashmere — rings, bracelets, and watch clasps are the most common snag sources. Be aware of rough surfaces like unfinished wood, velcro, and metal zippers on jackets.

Wear prevention: Rotate your cashmere so no single sweater takes repeated friction at the same points. Give cashmere 24 to 48 hours between wears so fibers can recover. Address thinning areas with a reinforcing felted patch before a hole opens — prevention is always less visible than repair.

For the full care routine that extends cashmere's lifespan, see our cleaning guide and washing guide.

Repair or Replace? A Quick Decision Guide

Situation	Verdict
Small hole, sweater in good condition	Repair — always worth it
Multiple moth holes, fabric still strong	Professional repair — worth it for quality cashmere
Hole plus thinning across elbows/body	Repair with reinforcement, but expect more repairs ahead
Fabric felted, shrunken, and thinned	Consider replacing — the fiber is past its useful life
Sentimental piece regardless of condition	Professional repair — preservation, not economics