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Plus Size T-shirts, Bodysuits and Undershirts


Plus size bodysuits and undershirts are basic tops worn under modest clothing that wrap the torso and complete your coverage; a long-sleeved bodysuit covers the arms and neckline, while an undershirt forms a thin base layer. As of November 2026, this category has 25 styles in sizes S–XXL and in 19 colour shades.


Plus Size Evening DressPlus Size TunicPlus Size DressPlus Size PantsPlus Size AbayaPlus Size CoatPlus Size Trench CoatPlus Size Blouses and ShirtsPlus Size Cardigan, Vest, JacketPlus Size TopcoatPlus Size CapePlus Size SkirtPlus Size TracksuitPlus Size Modest SwimwearPlus Size Suit  
25 Product Found
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$129.00 $51.99
BUY NOW $31.19
QUICK VIEW
$129.00 $51.99
BUY NOW $31.19
QUICK VIEW
$129.00 $51.99
BUY NOW $31.19
QUICK VIEW
$129.00 $51.99
BUY NOW $31.19
QUICK VIEW
$129.00 $51.99
BUY NOW $31.19
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$85.59 $34.99
BUY NOW $20.99
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What are plus size bodysuits and undershirts, and what are they for?

A bodysuit is a base-layer top that wraps the torso and is often long-sleeved; an undershirt is a thin sleeveless or strappy undergarment. In modest dress, these pieces complete your coverage under dresses, tunics and blouses by covering the arms, neckline and torso, and stop thin fabrics from being see-through.

Product typeNumber of styles (November 2026)CutWhen to wear
Turtleneck long-sleeved bodysuit10Covers the neck and arms completelyUnder short-sleeved or slit clothes
Sleeveless bodysuit8Wraps the torso, arms freeUnder long-sleeved dresses and tunics
Strappy vest4Thin straps, lightUnder thin clothes in summer
Long vest3Long length that covers the hipsUnder tunics and blouses, with short tops

Which fabric is best for a plus size bodysuit?

For bodysuits and undershirts worn as a base layer, it matters that the fabric breathes and stretches; the category includes mostly woven cotton and cotton styles, as well as elastane and stretch blends. Elastane styles fit the body better, while cotton-rich styles feel softer.

Fabric (filter)Number of styles (November 2026)Characteristics
Woven cotton14Cotton-based, soft and substantial
Cotton11Breathable, absorbs sweat
Polyester blend10Crease-resistant, keeps its shape
Elastane4Stretches, fits the body
Stretch blend3Flexible, freedom of movement

One product can appear under more than one fabric filter, so the counts add up to more than the number of styles; the fabric composition is shown on each product page.

How do you choose the size of a plus size bodysuit?

Styles in this category are made in sizes S, M, L, XL and XXL; a bodysuit is a close-fitting base layer, so choosing your usual size generally gives the right result. With cotton-rich styles without elastane, choosing the larger size when you are between sizes is more comfortable.

Compare the bust, waist and length measurements in the size chart on the product page with your own. With long vests, the main thing to check is whether the length covers the hips; with long-sleeved bodysuits, whether the sleeves reach the wrist.

How do you style bodysuits and undershirts in modest dress?

A turtleneck long-sleeved bodysuit makes an outfit suitable for modest dress by covering the arms and neckline under short or half-sleeved tunics, slit dresses and open-front kimonos. Sleeveless bodysuits and vests are used as a thin layer under a long-sleeved plus size tunic or plus size dress.

A bodysuit in the same colour as the top or one shade darker hides the transition; basic shades such as black, white and stone go with most outfits. In this category, most styles come in black, white and stone, while shades such as burgundy, khaki, dusty rose and terracotta offer options for contrasting outfits.

What is the price range for plus size bodysuits?

Prices in this category may change during sales; the current price is shown on the product page, and the price filter helps you find styles within your budget.

The factor that affects the price most is the cut. Most styles are marked as all-season and some as summer; the summer styles are thin and strappy cuts.

How do you care for bodysuits and undershirts?

Wash bodysuits and undershirts inside out at 30 degrees with similar colours, and dry them on a hanger; with elastane styles, drying on high heat can reduce the stretch of the fabric. Washing white and light-coloured styles separately from dark colours helps preserve their colour.

Base layers worn every day are washed often, so buying the same style in two or three colours makes it easier to rotate them. If ironing is needed, a low heat is enough.

All plus size styles are in the plus size category. To pair with a bodysuit, see the plus size tunic and plus size pants pages; for bodysuits in standard sizes, the bodysuits and tights page.

For delivery, return and exchange conditions in your country, see our Help page.


Is a plus size bodysuit suitable for modest dress?

Yes. A turtleneck long-sleeved bodysuit covers the arms and neck, so it completes modest dress under short-sleeved or slit clothes.

What is the difference between a bodysuit and an undershirt?

A bodysuit is a base layer that wraps the torso and is often long-sleeved; an undershirt is a thinner sleeveless or strappy undergarment.

Which sizes are plus size bodysuits available in?

As of November 2026, the styles in this category come in sizes S, M, L, XL and XXL.

What is a long vest for?

Thanks to its hip-covering length, a long vest covers the waist and hips under short blouses and tunics and stops thin fabrics from being see-through.

Which bodysuit colour should I buy?

Black, white and stone go with most clothes. Choosing a bodysuit in the same colour as the top or one shade darker hides the transition.