Article: Nursing Sweaters: A Complete Guide to Choosing the Perfect Style

March 25, 2026

Nursing Sweaters: A Complete Guide to Choosing the Perfect Style

Choosing a nursing sweater isn't just about buying a sweater with a simple opening. It's a technical garment specifically designed to meet the unique needs of nursing mothers.

From comfort and practicality to discretion and style, there are many factors to consider. At 23 Mai Paris, we create nursing wear designed to make your daily life with your baby easier. This comprehensive guide will help you choose the perfect nursing sweater based on your body type, lifestyle, and needs.

What really sets a nursing sweater apart from a regular sweater?

Contrary to popular belief, it’s not enough to simply have an opening somewhere on the front of the garment. A true nursing sweater is distinguished by several essential technical features.

Key differences:

Feature	Classic sweater	Breastfeeding Sweater
Cut	Standard	Designed to accommodate changes in bust size
Access within	None or improvisation	Thoughtful and understated openings
Seams	Standard	Reinforced at strategic points
Materials	Variable	Gentle on baby's skin, easy to care for
Resistance	Normal	Designed for repeated stretching

The design takes into account the specific anatomy of a nursing mother, the changes in her breasts, and the repetitive motions involved in breastfeeding. A good nursing sweater should adapt to your changing body, make breastfeeding easy and discreet, and withstand the demands of everyday life as a mother.

The different types of nursing positions

The opening mechanism is THE deciding factor. Here are the available options:

1. Side opening

Worn under the arm or on the side of the chest, it is the most discreet and practical option.

Benefits	Disadvantages
Excellent discretion	It might take a little practice
Do not alter the appearance of the garment	Access is sometimes less direct
Good breast support	-
Can be operated with one hand	-

2. The vertical hidden zipper

Usually placed vertically on the front of the sweater.

Benefits	Disadvantages
Quick and direct access	Often requires two hands
Adjustable opening	May be visible depending on the model
Easy to use	The zipper may feel cold against your skin

3. Hidden clips or snaps

A system appreciated for its ease of use.

Benefits	Disadvantages
One-handed use	May be noisy
Unobtrusive when properly integrated	Quality varies by model
A good balance between practicality and discretion	-

4. The double-layer system

Two layers of fabric that allow access from the bottom without exposing the entire bust.

Benefits	Disadvantages
Utmost discretion	Can add volume
Perfect for breastfeeding in public	No more fabric to deal with
Protects against the cold	-

Our recommendation at 23 Mai Paris Side openings with invisible zippers offer the best balance between discretion, practicality, and aesthetics.

Check out our nursing sweatshirts with discreet side slits.

The Importance of Proper Placement of Breastfeeding Access Points

The placement of the openings plays a major role in determining the comfort and privacy of breastfeeding. It’s a technical detail that makes all the difference.

Investment mistakes:

Breast position too high : makes it difficult for the baby to latch on, causes tension in the shoulders
Opening too low : requires lifting the garment excessively, less discreet

The ideal placement:

The optimal placement follows the natural curve of the breast, allowing the baby to nurse in a natural position. This technical detail is what sets a truly functional garment apart from a simple modified sweater.

How to Choose a Sweater That Flatters Your Postpartum Body Type

Your body changes significantly after childbirth and during breastfeeding. The sweater you choose should accommodate these changes.

Nursing sweater for larger busts

A full bust during breastfeeding requires proper support without excessive compression.

What to prioritize:

Empire or underbust styles for a natural fit
Fabrics containing 5% to 10% spandex for support without stiffness
Wide straps and roomy armholes (prevents chafing)
Reinforced seams in high-wear areas
The neckline should be neither too low-cut (risk of gaping) nor too high (difficult to put on)

Nursing sweater for women in transition

The postpartum period is often accompanied by a constantly changing body shape.

What to prioritize:

Straight, flowing cuts rather than fitted ones
Mid-thigh length (concealing the abdominal area)
Two-way stretch fabrics
Cotton blended with modal or bamboo

What to avoid:

Materials that are too stiff
Haircuts that are too heavily styled and restrict movement

The best fabrics for a nursing sweater

The choice of materials is crucial for the comfort of both mother and baby. The skin becomes more sensitive during breastfeeding, and a baby’s skin requires soft fabrics.

Comparison of Materials

Subject	Benefits	Perfect for...
Organic cotton	Hypoallergenic, soft, absorbent	Sensitive skin, daily use
Bamboo	Natural antibacterial, silky	Summer, sensitive skin
Modal	Silky, wash-resistant	Suitable for all seasons, easy to maintain
Fine merino wool	Temperature-regulating, wicks away moisture	Winter, temperature control
Tencel	Eco-friendly, soft, durable	All seasons

Check out our Breastfeeding t-shirts made from natural fabrics to complete your wardrobe.

Natural fabrics for nursing sweaters: cotton, bamboo, modal

The Importance of Easy Maintenance

With a baby, stains and laundry pile up. A good nursing sweater should:

Withstand frequent washing cycles without losing its shape
Dries quickly
Does not require ironing
Retains its color and shape even after many washes

Helpful tip: Check for colorfastness and dimensional stability before purchasing. A garment that shrinks after just a few washes is not a good investment.

Nursing sweaters for every occasion

Your lifestyle determines the type of sweater you need.

Breastfeeding sweaters work

The professional environment calls for discretion and elegance.

What to look for:

Hidden openings
Structured cuts
Premium fabrics (fine wool, high-quality blends)
Neutral colors: black, navy, gray, beige

The goal: to be able to breastfeed or pump discreetly when necessary, without compromising your professional image.

For more tips, check out our article Stylish Nursing Outfits: 5 Tips for Staying Chic .

Breastfeeding sweaters home

At home, comfort comes before aesthetics.

What to look for:

Wide, easy openings
Ultra-soft materials
Oversized styles for freedom of movement
A treat for bookworms

Breastfeeding sweaters outings

When it comes to breastfeeding in public, discretion is key.

What to look for:

Double-layer systems
Hidden side vents
A design that does not reveal its breastfeeding function
A style that suits you

To breastfeed in public with confidence, check out our article Breastfeeding in Public: A Practical Guide for Greater Comfort .

Size Guide: How to Choose the Right Size?

When choosing the size of a nursing sweater, the criteria are different from the usual ones.

Changes in the breasts during breastfeeding

Breast size varies significantly throughout the day:

After a night without feeding: maximum volume
After several feedings: reduced volume
During baby's growth spurts: temporary increase

These fluctuations can amount to one or two cup sizes! This means you need to choose clothing that’s flexible enough to accommodate these changes.

Our pruning tips:

Situation	Advice
Early breastfeeding (0–3 months)	Choose a size larger than your usual size
Established breastfeeding (3–6 months)	Your usual size or one size up, depending on your preference
Weaning	Gradually return to your usual size
If in doubt	Always choose the next size up

When should you invest in new sizes?

It’s best to wait until your weight and bust size have stabilized before completely updating your wardrobe. A good compromise:

Invest in 2–3 high-quality sweaters when you first start breastfeeding
Customize it as your needs change
Choose versatile styles that adapt to changes

How many Breastfeeding sweaters do you Breastfeeding sweaters ?

For a functional walk-in closet, we recommend:

Type of sweater	Quantity	Usage
Basic sweater (black or neutral)	2	Daily life, work
A comfortable and welcoming home	1-2	Weekends, evenings
Shoot	1	Events, special occasions

Recommended total: 4 to 5 sweaters to cover all your needs without having to do laundry every day.

To put together your complete wardrobe, check out our article How many nursing clothes do you really need?

Conclusion

Choosing the perfect nursing sweater comes down to striking a balance between your practical needs, your body type, and your lifestyle. By investing in high-quality pieces with thoughtful design features, suitable fabrics, and versatile cuts, you’ll be well-prepared for every stage of your breastfeeding journey.

At 23 Mai Paris, we create nursing clothes that combine practicality, comfort, and elegance. Because comfort and self-confidence are essential to fully embracing this unique period of motherhood.

Browse our collection of nursing clothes and find the perfect gift for a new mom.

If you're breastfeeding, here are some of our nursing clothes that might interest you: