Pregnancy changes almost everything about how your body feels, including how your clothes fit. As your bump grows, fabrics that once felt comfortable may start feeling restrictive, warm or irritating. This makes choosing the right fabric an important part of building a practical maternity wardrobe.
The most comfortable fabrics for maternity wear are generally soft, breathable and flexible materials that can adapt to your changing body. Cotton is one of the most popular choices, while modal, cotton blends and stretch fabrics can offer additional softness and flexibility.
The best fabric ultimately depends on the season, your skin sensitivity, how much you move during the day and whether you want your maternity clothes to work for nursing after delivery.
At The Mom Store, you can find maternity dresses, nursing tops, nightwear, leggings, loungewear and other pregnancy essentials designed around these everyday needs.
What Makes a Fabric Comfortable During Pregnancy?
Before choosing a fabric, it helps to understand what actually makes maternity clothing comfortable.
Look for fabrics that offer:
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Breathability
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Softness against the skin
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Stretch and flexibility
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Good moisture management
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Lightweight construction
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Easy washing and maintenance
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Enough structure to maintain the garment's shape
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Comfort around the growing belly
During pregnancy, your body temperature and skin sensitivity can change. Clothing that traps heat or rubs against the skin can quickly become uncomfortable.
This is why fabric selection matters just as much as the style, fit and design of maternity clothing.
1. Cotton: One of the Best Fabrics for Maternity Wear
Cotton is one of the safest starting points when looking for comfortable maternity clothes.
It is naturally soft and breathable, making it particularly useful for everyday pregnancy wear. Cotton can be especially comfortable in warmer weather because it allows air to circulate around the body.
For everyday dresses, tops and relaxed clothing, 100% cotton maternity wear can be an excellent choice.
For example, The Mom Store's Pastel Pure Maternity and Nursing Dress is made from 100% cotton. It has an oversized fit, a flared A-line shape, two nursing zippers and side pockets, making it suitable during pregnancy and after delivery.
Similarly, the Azurelle Maternity and Nursing Dress is made from 100% cotton and features a V-neck, two nursing zippers and side pockets.
These types of designs demonstrate why cotton works particularly well for maternity clothing: the fabric provides softness and breathability, while the garment construction provides room for a growing bump and convenient nursing access.
Why choose cotton maternity wear?
Cotton is a good option if you want:
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Breathable everyday clothing
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Soft fabric against the skin
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Comfortable summer maternity wear
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Easy-care clothing
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Natural-feeling fabrics
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Dresses and tops that can transition into nursing wear
If you live in a hot or humid climate, cotton maternity clothes can be particularly practical for daily use.
2. Cotton-Modal: Softness With Added Flexibility
Modal is another fabric worth considering when comfort is your priority.
It is known for its soft feel and is often blended with cotton and a small amount of stretch fibre. This combination can create clothing that feels soft while allowing the garment to move with your body.
One example from The Mom Store is the Tide Up Together Maternity and Nursing Nightwear Set. It uses a cotton-modal-spandex composition of 54% cotton, 43% modal and 3% spandex. The set also features an elasticated waistband and nursing-friendly construction.
This type of blend can be particularly useful for maternity nightwear because sleepwear needs to move easily without feeling restrictive.
Why choose cotton-modal?
Cotton-modal blends can be a good choice for:
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Maternity nightwear
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Lounge sets
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Nursing clothes
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Pajamas
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Relaxed everyday clothing
The addition of stretch can also help garments accommodate changing body measurements during pregnancy.
3. Cotton-Spandex Blends for Stretch and Movement
Pregnancy clothing needs to move with you. This is where fabrics containing a small percentage of spandex or elastane can be useful.
A cotton-spandex blend combines the softness and breathability of cotton with the stretch of elastane.
For example, The Mom Store's Maternity Nursing Sleep Bra uses 95% cotton and 5% spandex. The fabric is designed to stretch with changing body shape while maintaining a comfortable fit.
Another nursing option, the Nursing & Feeding Non-Padded Bra, uses 92% cotton and 8% elastane. Its stretchable cups are designed to adapt to changing bust size during pregnancy and breastfeeding.
For maternity clothing, a little stretch can make a significant difference.
It can help clothing:
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Accommodate a growing belly
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Provide greater freedom of movement
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Reduce restrictive pressure
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Improve overall fit
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Make nursing and postpartum clothing more versatile
This is why cotton-stretch blends are particularly useful for maternity lingerie, leggings, bras and fitted clothing.
4. Modal for Maternity Nightwear and Loungewear
If you are looking for comfortable clothing to sleep or relax in, modal-based fabrics can be worth considering.
Modal tends to have a smooth, soft feel and works particularly well when combined with cotton and stretch fibres.
Maternity nightwear should ideally have:
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A soft fabric
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A flexible waistband
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Loose or relaxed construction
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Easy nursing access if you plan to breastfeed
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Enough room around the bump
The Mom Store's maternity nightwear range includes options designed specifically around these requirements.
The Tide Up Together Maternity and Nursing Nightwear Set, for example, combines cotton, modal and spandex with an elasticated bottom and nursing access.
For mums spending significant time at home during pregnancy or postpartum, comfortable nightwear can be one of the most useful additions to the wardrobe.
5. Cotton for Sensitive Skin
Pregnancy can sometimes make skin feel more sensitive than usual. If certain fabrics or finishes tend to irritate your skin, choosing soft and breathable materials can help make clothing more comfortable.
Cotton is often a practical choice because of its soft, breathable feel.
However, fabric alone does not determine comfort. Seams, waistbands, labels, elastic and garment construction can also affect how clothing feels against the skin.
When shopping for maternity wear, therefore, look beyond the fabric label.
Check whether the garment has:
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Soft seams
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Comfortable waistbands
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Minimal unnecessary embellishments
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Non-restrictive construction
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Breathable panels or materials
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A relaxed fit where appropriate
6. Stretch Fabrics for Maternity Leggings and Bottoms
Bottoms need to accommodate one of the biggest physical changes during pregnancy: your growing belly.
This makes stretch fabrics particularly useful for maternity leggings, joggers and pants.
A good maternity bottom should provide flexibility without digging into the abdomen.
The Mom Store offers a dedicated Maternity Leggings and Denims collection, making it easier to find bottoms designed around pregnancy-specific fits.
Options such as the Comfy Maternity Regular Pants and Comfy Maternity Joggers can work well for casual everyday wardrobes when paired with maternity or nursing tops.
The important consideration is not simply how stretchy the fabric is. The waistband and overall construction should also provide comfortable support without unnecessary pressure.
7. Khadi and Cotton for a More Structured Look
Soft fabrics do not have to mean casual clothing.
If you want maternity clothing that feels comfortable but looks more polished, cotton-based fabrics can be used in more structured designs.
The Mom Store's Terra Cotta Ikat Maternity and Nursing Top, for example, is made from 100% cotton and has an oversized fit, button-down front and balloon sleeves. It is designed to work before, during and after pregnancy.
Cotton-based maternity tops like this can be useful for creating outfits that work for:
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Work
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Casual outings
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Family events
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Travel
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Postpartum wear
The key is choosing an appropriate silhouette rather than relying only on fabric.
8. Fabrics to Consider During Different Seasons
The best maternity fabric can also depend on the weather.
For summer
Look for:
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Cotton
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Lightweight cotton blends
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Breathable modal blends
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Lightweight fabrics with stretch
Loose cotton dresses and nursing tops can be particularly comfortable in hot weather.
For winter
You may prefer:
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Cotton blends
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Fleece-lined materials
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Soft knits
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Layer-friendly fabrics
Instead of relying on one heavy garment, layering can make maternity clothing more practical because body temperature can fluctuate throughout pregnancy.
The Mom Store's Maternity Winter Collection includes maternity-friendly options designed for colder weather.
The Whispering Ice Oversized Maternity Hoodie, Mumma Shines Maternity and Nursing Hoodie Sweatshirt, and Winter Morning Maternity Sweater Dress With Nursing are examples of pieces designed to combine maternity comfort with winter layering.
9. Fabric Is Important, But Fit Matters Too
Even the softest fabric will not feel comfortable if the garment does not fit properly.
When shopping for maternity wear, look for designs that account for your changing body instead of simply buying a larger version of regular clothing.
Maternity-specific features can include:
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Extra room around the belly
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Stretch panels
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Adjustable waistbands
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Side openings
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Nursing zippers
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Relaxed silhouettes
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Longer front lengths
For example, The Mom Store's maternity and nursing dresses use features such as nursing zippers, A-line shapes and gathering to provide additional room and functionality.
This is especially useful if you want your maternity wardrobe to remain useful after delivery.
10. How to Choose the Right Fabric for Your Maternity Wardrobe
Instead of buying clothes based only on appearance, consider when and where you will wear them.
For everyday wear
Choose breathable cotton or cotton-stretch fabrics.
For sleeping
Choose soft cotton-modal or lightweight stretch fabrics.
For work
Look for structured cotton-based fabrics with relaxed or maternity-specific fits.
For exercise and movement
Choose flexible, moisture-friendly stretch fabrics that do not restrict movement.
For nursing
Prioritize the combination of comfortable fabric and convenient nursing access.
For summer
Lightweight cotton and breathable blends are usually practical choices.
For winter
Look for warmer fabrics that can be layered comfortably without making the outfit overly restrictive.
Building a Comfortable Maternity Wardrobe
You do not need dozens of maternity outfits to stay comfortable throughout pregnancy.
A practical wardrobe can start with a few versatile categories:
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2–3 breathable maternity dresses
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2–3 maternity and nursing tops
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2 comfortable maternity bottoms
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1–2 maternity nightwear sets
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Comfortable maternity lingerie
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A lightweight maternity layer
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One warmer winter layer if required
The Mom Store's Maternity Wear, Maternity and Nursing Tops, Maternity Nightwear, Maternity Co-ord Sets, Maternity Leggings and Denims, and Maternity Lingerie collections can help you build these categories in one place.
The advantage of choosing nursing-friendly designs is that many pieces can continue to be useful after pregnancy.
Final Thoughts
So, what are the most comfortable fabrics for maternity wear?
For most women, cotton is an excellent everyday choice because it is soft and breathable. Cotton-modal blends can offer additional softness and flexibility, making them particularly useful for nightwear and loungewear. Cotton-spandex or cotton-elastane blends can provide the stretch needed for maternity lingerie, leggings and fitted garments.
However, the best maternity fabric is ultimately the one that feels comfortable on your skin and works with your lifestyle.
Don't overlook the importance of fit, waistband construction, nursing access and garment design. A well-designed maternity garment made from a suitable fabric can remain useful throughout pregnancy and into the breastfeeding period.
Whether you're looking for breathable cotton dresses, flexible maternity bottoms, comfortable nightwear or nursing-friendly tops, choosing fabrics thoughtfully can make your maternity wardrobe much more comfortable from the first trimester through postpartum.
