How To · Fashion · Care
How to Care for Your Knitwear So It Lasts Years, Not Seasons
A quality knit is an investment—treat it like one. These five essential care steps will keep your sweaters, cardigans, and crewnecks in rotation for years.
5 min read · IrisMost men treat knitwear like it's disposable. A sweater pills, shrinks, or loses shape after one season and into the donation pile it goes. But knitwear doesn't have to be fragile—it's actually remarkably durable when handled correctly. The difference between a sweater that lasts three years and one that lasts ten often comes down to five simple care steps you can master in an afternoon.
Whether you own a single wool crewneck or a rotating lineup of merino, cotton, and cashmere pieces, the fundamentals are the same: gentle washing, proper drying, and smart storage. No special equipment required. Just intention and a little patience.
A sweater that lasts ten years isn't luck—it's the result of five minutes of care after every few wears.
Step one · 3 minutes
Read the label and sort by fiber type
Before anything else, check the care tag. Different fibers have different needs: merino wool handles machine washing better than cashmere; cotton can tolerate warmer water than alpaca. Sort your knitwear into piles by fiber content and color. Wash darks separately from lights to prevent dye transfer. This single step prevents most knitwear disasters.
If the label says "dry clean only" but you're confident in the fiber, a gentle hand wash in cool water is often safer than the dry cleaner.
Step two · 5 minutes
Pre-treat stains and check for damage
Spot-check for stains, pilling, or loose threads before washing. For fresh stains (coffee, wine, sweat), blot gently with cool water and a drop of mild detergent. Don't rub. For older stains, let the detergent sit for 10 minutes before rinsing. Check seams and cuffs for loose stitching—a quick hand stitch now prevents unraveling later.
Pilling is normal and doesn't mean your sweater is low-quality. A fabric comb or dedicated depilling tool removes pills without damaging fibers.
Step three · 10 minutes
Wash by hand or on delicate cycle
Fill a sink or basin with cool water (below 70°F) and add a small amount of wool-specific or gentle detergent—about a teaspoon for a standard sweater. Submerge the sweater and gently agitate for 2–3 minutes. Don't wring or twist. Rinse twice in cool water until soap is gone. If using a machine, select the delicate or hand-wash cycle, use a mesh bag, and keep water temperature cool. The goal is clean fibers without agitation.
Wool-specific detergents contain lanolin, which conditions fibers. Regular detergent can dry out knitwear over time.
Step four · 15 minutes
Dry flat, never hang
This is non-negotiable. Hanging knitwear stretches the shoulders and distorts the shape permanently. Instead, gently squeeze out excess water (don't wring), then lay the sweater flat on a clean, dry towel or drying rack. Smooth it into shape—measure against the original garment if needed. Flip halfway through drying to ensure even moisture loss. Air-dry completely; this takes 24–48 hours depending on humidity and fiber weight. Never use a dryer.
If your sweater is still damp after 24 hours, move it to a well-ventilated area or place a fan nearby to speed drying without heat.
Step five · 5 minutes
Store properly to prevent moths and stretching
Once dry, fold the sweater neatly and store it flat in a drawer or on a shelf—never on a hanger. Use cedar blocks, lavender sachets, or moth-repellent strips in the drawer to deter insects. Keep knitwear away from direct sunlight, which fades colors. If you live in a humid climate, add a silica gel packet to absorb moisture. Rotate your sweaters so each gets worn regularly; stagnant knitwear attracts moths.
Merino wool naturally resists odor and bacteria, so you can wear it 4–5 times before washing. Cotton and cashmere may need washing after 2–3 wears.
Step six · 7 minutes
Refresh between washes with air and gentle brushing
You don't need to wash a sweater after every wear. Instead, hang it outside or near an open window for 2–3 hours to air out odors and moisture. Use a soft-bristled garment brush to gently brush the surface in one direction, which removes dust, restores nap, and can reduce minor pilling. This simple refresh extends time between washes and keeps your knitwear looking fresher longer.
Sunlight is a natural deodorizer and disinfectant. A few hours outside will freshen a sweater without water.
How to know your knitwear is properly cared for
Well-maintained knitwear holds its shape, color, and softness season after season. You'll notice the difference in how the sweater feels against your skin and how it drapes on your body. A sweater that's been properly washed and dried will look intentional in your rotation, not like a backup option.
Questions at the mirror.
My sweater shrunk after washing. Can I fix it?
Partially, yes. Soak the damp sweater in cool water with a capful of hair conditioner or glycerin for 15 minutes. Gently stretch it back to shape while damp, then lay flat to dry. This works best on wool and can restore some (but not all) lost size. Prevention is key: always use cool water and wool-specific detergent.
How do I remove pilling without damaging the sweater?
Use a fabric comb or dedicated depilling tool, available at most drugstores for under $10. Gently brush the surface in one direction. Avoid aggressive scrubbing. For severe pilling, a professional depilling service exists but is rarely necessary if you follow proper care steps.
Can I machine wash all knitwear?
Most modern knitwear can handle a delicate machine cycle in cool water with a mesh bag. However, hand washing is gentler and extends life. Cashmere, alpaca, and vintage pieces benefit from hand washing. Always check the label first.
What's the best way to store knitwear long-term?
Fold flat in a breathable cotton bag or drawer with cedar blocks or moth repellent. Avoid plastic, which traps moisture. Store in a cool, dry place away from direct sunlight. Check every few months to ensure no moths have moved in.