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Does Merino Wool Shrink ? Care Tips for Long-Lasting Knitwear

Merino wool is prized for its exceptional softness, breathability, and natural performance. As one of the finest wool fibers available, it has become a staple in premium knitwear thanks to its ability to regulate temperature, resist odors, and provide lasting comfort.

Yet one question frequently comes up among members of the L'Envers community: does merino wool shrink?

FAUSTINE Open-Weave Sweater in Merino Wool - Beige - L'ENVERS

Does Merino Wool Shrink ?

The short answer is yes: merino wool can shrink if it is exposed to excessive heat, agitation, or improper washing methods.

The good news is that with the merino right care, your merino wool garments can maintain their shape, softness, and beauty for many years.

Contrary to popular belief, merino wool is not difficult to maintain. In fact, many common concerns are addressed in our guide to merino wool myths debunked.

Why Does Merino Wool Shrink?

Like all natural wool fibers, merino wool is covered with tiny scales. When exposed to hot water, sudden temperature changes, or vigorous agitation, these scales can interlock.

This process, known as felting, causes the fibers to tighten and the garment to shrink. However, shrinking is not inevitable. Merino wool is naturally resilient, and most shrinkage occurs only when care instructions are ignored.

Is Merino Wool More Resistant to Shrinking Than Regular Wool?

Merino wool fibers are finer and softer than traditional wool fibers, making them more comfortable against the skin. While merino wool can still shrink under the wrong conditions, high-quality merino garments are often more stable and better suited to regular wear when cared for properly.

At L'Envers, we believe that investing in quality materials is the first step toward creating garments that last. Carefully selected merino wool not only feels luxurious but also supports a slower, more responsible approach to fashion.


When crafted from premium materials and cared for properly, merino wool knitwears can be enjoyed for many years, embodying a more mindful and sustainable approach to fashion.

6 tips from l'Envers Fashion

How to Prevent Merino Wool from Shrinking

Wash in Cool Water


Heat is one of the main causes of wool shrinkage. Always wash merino wool in cool or lukewarm water and avoid high temperatures.

Choose a Gentle Detergent


Use a detergent specifically formulated for wool. Harsh detergents can damage the natural fibers and reduce the lifespan of your knitwear.

Hand Wash Whenever Possible

Hand washing remains the gentlest way to care for merino wool.

Simply soak your garment in cool water with a small amount of wool detergent, gently press the water through the fibers, and rinse thoroughly.


Avoid rubbing, scrubbing, or twisting the fabric.

Use the Wool Cycle If Machine Washing

Many modern washing machines include a wool or delicate cycle.

If you choose to machine wash your merino knitwear, use the gentlest setting available and place the garment inside a mesh laundry bag for extra protection.

Avoid Fabric Softeners

Merino wool is naturally soft and breathable. Fabric softeners can coat the fibers, reducing their natural performance and breathability.

Dry Flat

Never tumble dry merino wool.

Instead, gently remove excess water by rolling the garment in a clean towel, then lay it flat on a dry surface away from direct heat or sunlight.

Drying flat helps the garment maintain its original shape.

Need help?

Your Questions About Merino Wool Shrinkage Answered

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