What is modal fabric? Properties, uses, and sewing tips

Posted by BLG on 2026 Mar 28th

Sewist working with modal fabric at home

You pick up a soft, silky knit at the fabric store, assume it’s cotton, and bring it home. Then it behaves completely differently on your machine. Sound familiar? Modal fabric is one of the most misunderstood fibers in the sewing world, yet it shows up in high-end loungewear, activewear, and luxury bedding all the time. Once you understand what modal actually is and how it works, you’ll know exactly when to reach for it and how to handle it like a pro.

What is modal fabric and how is it made?
Modal fabric properties: What makes it unique?
Modal fabric compared to cotton, rayon, polyester, and Tencel
Popular uses of modal fabric for sewing and crafts
How to sew with modal: Tips and best practices
Modal fabric’s pros, cons, and sustainability facts
Shop modal and other specialty fabrics
Frequently asked questions

Key Takeaways

Point	Details
Modal is semi-synthetic	It’s made from beech tree pulp for a soft, breathable, and eco-friendly fabric option.
Superior performance	Modal absorbs 50% more moisture than cotton and resists shrinking, wrinkling, and color fading.
Ideal for sewing projects	It’s perfect for soft garments, activewear, and blends—just use proper sewing techniques to avoid stretching or slipping.
Eco-friendly options	Choose certified modal for lower water use and responsible sourcing.

Modal is not cotton, and it’s not quite rayon either. It sits in its own category: a semi-synthetic fiber made from beech tree pulp, classified as high wet modulus rayon. That last part matters because it means modal holds its strength even when wet, which standard rayon does not.

Modal was first developed in Japan in the 1950s, but it became widely known after Lenzing AG, an Austrian fiber company, refined and popularized it in the 1990s. Today, Lenzing’s TENCEL Modal is one of the most recognized branded versions on the market.

Here’s how modal goes from forest to fabric:

Beech trees are harvested, often from sustainably managed forests.
Wood chips are processed to extract cellulose pulp.
The pulp is dissolved in a chemical solution to create a viscous liquid.
That liquid is pushed through tiny holes (spinnerets) to form fibers.
The fibers are washed, stretched, and finished into yarn or fabric.

What sets top producers apart is their use of closed-loop systems. Leading manufacturers like Lenzing recycle 99% of water and solvents used in production, making modal one of the more responsible fiber choices available. If sustainability matters to your craft practice, check out our guide on fabric certification matters and our fabric blends guide for more context on how fibers are categorized.

Infographic outlining modal fabric properties and uses

Property	Modal	Standard Rayon
Wet strength	High	Low
Shrinkage	3-5%	Up to 10%
Sustainability	Closed-loop options	Varies
Softness	Very high	High

Modal’s feel is the first thing most crafters notice. It’s softer and silkier than cotton, with a subtle sheen that makes it look elevated without being flashy. But the real story is in the performance numbers.

Close-up showing modal fabric weave and sheen

Modal is 50% more absorbent than cotton and is highly breathable, durable, and resists shrinking. That absorbency makes it a smart pick for activewear, pajamas, and anything worn close to the skin in warm weather.

Modal also retains color and shape, shrinking only 3-5% even with hot washing. Compare that to cotton, which can shrink 5-10%, and you’ll see why modal is popular for garments that need to hold their fit over time.

Here’s a quick breakdown of modal’s key properties:

Softness: Silkier than cotton, comparable to microfiber
Absorbency: Wicks moisture fast, dries quickly
Durability: Stronger when wet than standard rayon
Pilling resistance: Less prone to pilling than viscose
Color retention: Holds dye well through repeated washing
Hypoallergenic: Gentle on sensitive or reactive skin
Wrinkle resistance: Recovers shape better than linen or cotton

Pro Tip: If you’re sewing for someone with sensitive skin or allergies, modal is one of the safest knit options you can choose. Its smooth fiber structure reduces friction against the skin, which is why it’s used so widely in underwear and baby clothing.

For a deeper look at how modal holds up over time compared to other knits, our article on performance fabric durability is worth a read.

Choosing the right fiber for a project means knowing what each one does well and where it falls short. Modal is superior to viscose/rayon in durability and moisture absorption, softer than cotton, more breathable than polyester, and similar to Tencel but slightly less eco-friendly in some production methods.

Fabric	Softness	Breathability	Wet strength	Eco-friendliness	Price
Modal	Very high	High	High	Good (certified)	Moderate
Cotton	High	High	Moderate	Varies	Low-Moderate
Rayon/Viscose	High	Moderate	Low	Varies	Low
Polyester	Low	Low	High	Poor	Low
Tencel	Very high	High	High	Excellent	Moderate-High

Here’s how each comparison plays out in practice:

Modal vs. cotton: Modal wins on softness and moisture wicking. Cotton is cheaper and easier to find, but modal lasts longer with less shrinkage.
Modal vs. rayon/viscose: Modal is the stronger, more stable choice. Rayon gets weak when wet and pills faster.
Modal vs. polyester: Modal breathes and feels natural. Polyester traps heat and has a synthetic feel that many crafters dislike for skin-contact garments.
Modal vs. Tencel: These two are close cousins. Tencel uses a non-toxic solvent system and is often considered the greener option, but modal is more widely available and usually more affordable.

For project planning, our types of apparel fabric guide and modal blends guide can help you match the right fiber to your specific sewing goals.

Modal’s drape and softness make it incredibly versatile. Common uses include underwear, loungewear, activewear, dresses, bedding, and blends for stretch and durability. For home sewers, that translates into a wide range of project possibilities.

Here are some of the best projects to try with modal:

T-shirts and tank tops: Modal’s drape creates a flattering, relaxed fit.
Pajamas and loungewear: Soft, breathable, and comfortable all night long.
Yoga pants and leggings: Blend modal with spandex for stretch and recovery.
Flowy skirts and dresses: The natural drape gives garments an elegant movement.
Soft accessories: Scarves, headbands, and sleep masks work beautifully.
Baby clothing: Hypoallergenic and gentle enough for newborn skin.

Modal comes in several forms worth knowing about. Standard modal is the most common. Micromodal uses finer fibers for an even silkier hand. Tencel Modal blends the two brands’ technologies. Modal fleece is a heavier option for cozy winter projects.

Pro Tip: When buying modal, check the GSM (grams per square meter). For lightweight tops and dresses, aim for 130-180 GSM. For loungewear and pajamas, 180-220 GSM gives you more body and warmth without feeling heavy.

If you’re sourcing fabric in larger quantities, our article on wholesale fabric options covers what to look for when buying modal by the yard or bolt.

Modal is slippery and stretchy, which means it needs a little extra attention at the machine. The good news is that once you know the tricks, it’s genuinely enjoyable to sew. Modal requires a ballpoint or stretch needle, fine pins, a walking foot, and French seams to get clean, professional results.

Follow these steps for the best outcome:

Pre-wash your fabric before cutting. Modal can shrink slightly on the first wash, so pre-washing sets the fabric and prevents surprises after you’ve finished sewing.
Use a ballpoint or stretch needle (size 75/11 or 90/14). These needles push between fibers instead of piercing them, which prevents snags and skipped stitches.
Attach a walking foot to your machine. Modal shifts easily, and a walking foot feeds both layers evenly to prevent puckering.
Pin with fine pins or use clips and avoid stretching the fabric as you work. Stretch it once and it may not recover perfectly.
Place tissue paper under slippery sections when sewing. It stabilizes the fabric and tears away cleanly after stitching.
Use French seams or a serger for clean, durable finishes. Modal’s drape means raw edges will show if your seam allowances aren’t tidy.
Press with a low to medium iron and use a pressing cloth. High heat can damage modal fibers and leave shiny marks.

Pro Tip: If your modal keeps sliding off the cutting table, try laying it on a cutting mat with a light mist of water. The slight dampness adds just enough grip to keep it in place while you cut.

For tips on buying the right amount of fabric before you start, our bulk fabric ordering guide walks you through calculating yardage for different project types.

Modal is a strong performer, but it’s not perfect for every situation. Here’s an honest look at both sides.

Pros:

Exceptionally soft and skin-friendly
Breathable and moisture-wicking
Colorfast through repeated washing
Less shrinkage than cotton or standard rayon
Certified eco-friendly options available

Cons:

Can pill over time with heavy friction
Not suitable for flame-resistant or heavy-duty applications
Pricier than basic cotton or polyester
Requires more careful handling at the sewing machine

On the sustainability side, modal made with closed-loop systems can recycle up to 99% of water and solvents, making it far cleaner than many conventional textile processes. Certified modal uses 10-20x less water than cotton in production, which is a significant environmental advantage.

When shopping, look for these certifications to confirm you’re getting a responsibly made product:

Oeko-Tex Standard 100: Confirms no harmful chemicals in the finished fabric
FSC certification: Verifies the beech wood comes from responsibly managed forests
Lenzing branding: Indicates use of the company’s verified closed-loop process

Our guides on fabric sustainability certification and the role of fabric finishes can help you decode labels and make smarter purchasing decisions.

Now that you know what modal can do, the next step is getting your hands on it. At fabric-fabric.com, we carry a wide selection of specialty fabrics suited for the kinds of projects modal excels at, from soft knits and draping fabrics to blends designed for activewear and loungewear.

Whether you’re planning your first modal t-shirt or sourcing fabric for a larger craft run, our store makes it easy to find what you need. Browse our modal and backdrop fabrics section to explore current options, compare fabric weights, and find the right match for your next project. We’re here to support crafters at every skill level with quality textiles and clear product information.

Frequently asked questions

Modal is a semi-synthetic fiber made from regenerated cellulose derived from beech tree pulp. It starts with a natural source but requires chemical processing to become a usable fiber.

Modal shrinks only 3-5% with hot washing, compared to cotton’s 5-10%. Pre-washing before you cut and sew will minimize any shrinkage in your finished garment.

Yes, particularly when sourced from certified producers. Closed-loop systems recycle up to 99% of water and solvents used in production, making certified modal significantly more eco-friendly than many conventional fabrics.

Use a ballpoint or stretch needle along with a walking foot, fine pins, and tissue paper stabilizers to prevent stretching, puckering, or skipped stitches when sewing modal.