The Best Ways to Store Cashmere and Wool During Summer: A Complete Guide to Knitwear Care

As the mercury rises and you trade your cozy sweaters for breezy linens, the question of how to store cashmere and wool during summer becomes crucial. These luxurious natural fibers demand special care — not just to prevent pilling or stretching, but to protect them from heat, humidity, and hungry moths. A few thoughtful steps now can save you from discovering holes or musty odors when cooler days return.

Whether you own a collection of Men's Best Sellers — Mongolian Cashmere, Leather & Care or a few cherished wool cardigans, proper summer storage ensures your investment stays soft, shapely, and ready to wear. In this guide, we'll walk you through every stage of the process, from pre-washing to final placement, so your knits emerge next season as beautiful as the day you bought them.

Why Summer Storage Is Critical for Cashmere and Wool

Cashmere and wool are animal fibers composed of keratin proteins, which makes them naturally breathable but also vulnerable. Heat and humidity can cause fibers to weaken, lose elasticity, or develop mildew. Worse, the warm months are prime time for clothes moths, whose larvae feast on keratin. A single undetected infestation can ruin an entire drawer of sweaters.

Additionally, improper storage — like hanging knits on thin hangers — can stretch shoulders and collars beyond repair. Folding is always preferred for heavy sweaters. Understanding these vulnerabilities helps you take the right precautions, so your favorite knits remain in rotation for years.

• Always clean garments before storing — even if they look clean, sweat and food particles attract pests.
• Avoid plastic dry-cleaning bags; they trap moisture and can cause yellowing.

Step 1: Wash and Dry Your Knits Properly Before Storing

Before you tuck away your cashmere or wool, give it a gentle wash. Turn the garment inside out and hand-wash in cool water with a pH-neutral wool wash or mild shampoo. Avoid agitation — squeeze, don't wring. Rinse thoroughly, then press out excess water by rolling the sweater in a clean towel.

Dry flat on a mesh rack or another towel, away from direct sunlight or heat sources. Never hang a wet sweater; the weight of the water will stretch it out. Allow it to air-dry completely — this may take 24-48 hours. Residual moisture is an open invitation for mold and mildew during months of storage.

• Use a dedicated wool wash like Eucalan or Soak to avoid harsh detergents.
• For stubborn stains, spot-treat before the full wash.

Step 2: Choose the Right Storage Containers

Breathability is key. Store your knits in cotton garment bags, muslin sacks, or acid-free tissue paper inside a breathable fabric bin. Avoid vacuum-sealed bags — they compress fibers and can crush the loft that gives cashmere its softness. Plastic bins are acceptable if you leave the lid slightly ajar or drill small air holes.

Cedar chests or closets lined with cedar planks are excellent natural deterrents for moths. You can also place cedar blocks or lavender sachets inside your storage container. Avoid mothballs (naphthalene) — they leave a strong chemical odor that is difficult to remove and can be harmful to breathe.

• Never store sweaters in cardboard boxes — cardboard attracts silverfish and can leach acids.
• Use acid-free tissue paper to pad folds and prevent creases.

Step 3: Fold, Don't Hang — And Layer With Care

Hanging a heavy cashmere or wool sweater will inevitably stretch the shoulders. Instead, fold each garment neatly. To minimize creases, lay the sweater flat, fold the sleeves across the back, then fold the body in thirds. Place folded sweaters in a single layer if possible, or stack no more than three high to avoid pressure marks.

For lighter knits like a fine-gauge cashmere crewneck, you can hang them using padded or wide wooden hangers with a gentle fold over the bar. But for most sweaters, flat storage is best. Consider placing a sheet of acid-free tissue paper between layers to reduce friction and static.

• Rotate your stack every few weeks to redistribute pressure.
• Store heavier sweaters at the bottom of the stack.

Step 4: Create a Moth-Proof Environment

Moths are the number one enemy of stored knits. To deter them, keep your storage area clean, cool, and dry. Vacuum the closet or drawer before placing items inside. Use pheromone traps to monitor for activity, and refresh cedar or lavender every few months as the scent fades.

You can also freeze small items to kill any larvae. Place the sweater in a sealed plastic bag and freeze for 72 hours, then thaw and air out. This is especially useful for secondhand finds. Remember: freezing doesn't prevent future infestations — it only kills existing ones.

• Essential oils like cedarwood, lavender, and rosemary can be added to cotton balls and placed in storage.
• Check stored sweaters once a month during summer for any signs of damage.

Step 5: Store in a Cool, Dark, and Dry Location

The ideal storage environment for cashmere and wool is a dark closet or drawer with consistent temperature between 60-70°F (15-21°C) and humidity below 50%. Avoid attics, basements, or garages where temperature and moisture fluctuate dramatically. Sunlight can fade colors, so keep knits out of direct light.

If you live in a humid climate, consider using a dehumidifier or silica gel packs inside your storage container. Silica gel helps absorb excess moisture without damaging fibers. Just be sure to replace them when they become saturated.

• Use a hygrometer to monitor humidity levels in your storage area.
• Keep storage containers off the floor to avoid dampness and pests.

Step 6: Refresh and Rotate Before the Next Season

When autumn arrives, don't just pull your sweaters out of storage and wear them. Give each piece a gentle shake or a quick steam (using a handheld steamer on low) to remove any musty smells and relax the fibers. If needed, a light hand-wash or spot-clean will freshen them up.

Inspect each sweater for moth damage or weak seams. Small holes can often be repaired with a darning needle and matching thread. Properly stored knits should feel just as soft and look just as vibrant as they did the previous season — proof that your care routine paid off.

• Steam is gentler than ironing and helps restore the fabric's natural loft.
• Store your summer clothes in the same breathable containers to free up closet space.

By following these simple yet effective steps, you can store cashmere and wool with confidence, knowing your favorite pieces will be protected from heat, humidity, and moths. Investing a little time now means your knits will reward you with years of cozy comfort. For a curated selection of premium cashmere and wool essentials, explore the Men's Best Sellers — Mongolian Cashmere, Leather & Care collection and discover pieces that are made to last.