How to Care for Merino Wool

by Elizabeth / Wednesday, 12 October 2022 / Published in Textile Knowledge

Merino wool is prized for its softness, warmth, and breathability, making it a popular choice for clothing and accessories. However, its delicate nature requires specific care to keep it looking and feeling its best. This guide provides detailed instructions on how to properly care for your merino wool items, ensuring they last for years.

1. Understanding Merino Wool’s Unique Properties

Merino wool fibers are much finer than traditional wool, which is what makes them so soft and non-itchy. However, this also means they are more prone to damage if not handled carefully. Merino wool possesses natural antibacterial and odor-resistant properties, meaning it doesn’t need to be washed as often as other fabrics. This is a key factor in keeping it in good condition over time.

2. Washing Merino Wool: The Dos and Don’ts

Washing merino wool improperly is the fastest way to cause damage. Here’s a breakdown of the correct approach:

Action	Do	Don’t
Washing Method	Hand wash in cold water with a mild detergent, or use a delicate machine wash cycle specifically for wool.	Use hot water or a regular cycle which can cause shrinkage, felting, and damage to fibers.
Detergent	Choose a gentle, pH-neutral detergent designed for wool or delicates.	Use harsh detergents, bleach, or fabric softeners, which can strip the natural oils from the wool fibers.
Water Temperature	Always use cold water.	Use warm or hot water, which leads to shrinkage and damage.
Agitation	Gently agitate the item in the water, avoiding harsh rubbing or twisting.	Roughly rub or wring out the item as it can cause felting.
Soaking	Limit the soak time to 5-10 minutes.	Prolonged soaking can damage the wool fibers.

3. Drying Merino Wool the Right Way

Proper drying is just as crucial as washing when it comes to merino wool. Here are some essential guidelines:

Action	Do	Don’t
Wringing	Gently press excess water out of the item.	Roughly wring or twist the garment, as this can cause damage.
Drying Method	Lay the garment flat on a clean towel, reshaping it gently. Roll the towel with the garment inside to remove additional water. Then lay flat to air dry.	Hang the item to dry, as this can stretch or misshape the wet fabric. Do not use a dryer, which causes shrinkage and felting.
Sunlight	Air dry in a shaded or well ventilated area, avoiding direct sunlight.	Dry in direct sunlight, which can fade colors and degrade the fibers.
Heat	Allow to air dry naturally, avoiding high heat.	Use heaters or direct heat, as this can cause shrinkage and damage.
Turning	Flip the garment after a few hours, ensuring all sides dry evenly.	Leave one side down for too long, resulting in uneven drying and potential misshaping.

4. Storing Merino Wool Items

Proper storage is essential for preserving the quality of merino wool items when they are not in use:

Action	Do	Don’t
Cleanliness	Make sure the item is clean before storing.	Store dirty or soiled items, which can attract moths and other pests.
Folding	Fold items neatly and gently.	Hang items (unless they’re knit garments and recommended to be stored hung). Hanging can stretch out the garment.
Storage Location	Store in a cool, dry, and dark place away from direct sunlight and moisture.	Store in damp or humid environments, which can promote mildew and attract pests.
Pest Protection	Store items with cedar chips, lavender sachets or other natural moth repellents.	Leave items unprotected from moths and other pests, which can cause damage to natural fibers.
Plastic	Use breathable storage bags or containers.	Store in plastic bags, which can trap moisture.

5. Addressing Common Merino Wool Issues

Sometimes, despite our best efforts, problems can arise with merino wool. Here’s how to tackle some common issues:

Issue	Solution	Prevention
Pilling	Gently remove pills with a fabric comb or a sweater shaver.	Avoid excessive friction during washing and wear.
Shrinkage	Unfortunately, once merino wool has shrunk, it’s difficult to fully restore it to its original size. Prevention is key. However, you may try soaking the item in lukewarm water with a gentle hair conditioner, gently stretching it back to shape, and then air drying flat.	Always follow proper washing and drying guidelines.
Felting	Felting is irreversible. Avoid hot water, agitation and rubbing while washing.	Always wash gently in cool water with mild detergent and lay flat to dry.
Moth Holes	Repair or replace the item.	Store items properly with moth repellents and ensure they are clean before storing.

By following these detailed guidelines, you can extend the life of your merino wool garments and continue to enjoy their luxurious comfort for years to come. Remember that gentle care and proper storage are the keys to maintaining the integrity of this beautiful and versatile fabric.