I shrunk a cashmere sweater to the size of a hand towel once. It was my wife’s. She had worn it exactly twice. I put it in the regular laundry load because I was rushing and did not check the tag — and by the time the dryer finished, it could have fit a large cat but definitely not a human being.

She was very gracious about it. Which somehow made it worse.

Wool Does Not Need Frequent Washing

This was my first mistake. Wool is naturally antimicrobial and odor-resistant — it does not get dirty the way cotton does. Most sweaters need washing only after five or six wears, sometimes more. Between wears, just hang it in fresh air overnight. The fibers release odors on their own.

Overwashing is what kills wool. Every wash cycle weakens the fibers a little. A sweater that could last ten years might fall apart in two if you wash it after every wear.

Hand Wash in Cold Water

Fill a basin with cool water — never warm, never hot. Add a small amount of wool-specific detergent or mild baby shampoo. Swish it around, then submerge the sweater and let it soak for ten to fifteen minutes. Do not scrub, wring, or twist the fabric. Wool fibers have microscopic scales that lock together with friction and heat — that is what shrinking actually is.

Drain the soapy water, refill with clean cool water, and gently press the sweater against the side of the basin to release the soap. Repeat until the water runs clear.

Never Wring — Press and Roll

Lift the sweater out of the water supporting it from underneath — wet wool is heavy and stretches under its own weight. Lay it flat on a clean towel. Roll the towel up like a jelly roll, pressing gently to squeeze out moisture. Unroll, replace the wet towel with a dry one, and repeat.

Then lay the sweater flat on a drying rack, away from direct heat or sunlight. Never hang a wet wool sweater — the weight stretches the shoulders into points that do not recover.

Pilling Is Normal — Here Is What to Do

Those little fuzz balls on your favorite sweater are not a sign of poor quality. They happen because short fibers work their way out of the yarn with friction. A fabric shaver — the kind that looks like a tiny electric razor — removes them in seconds. Or use a disposable razor very gently, pulling the fabric taut. Either way, your sweater looks brand new in under a minute.

Store wool folded, not hung. Wide hangers leave shoulder bumps, and thin hangers stretch the neckline. Cedar blocks in the drawer keep moths away without the chemical smell of mothballs.