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Woman wearing the Leonie & Co 3D Sculpting T-Shirt in black, knitted crossed shaping lines visible at the waist
3D Sculpting T-Shirt | Black

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Tummy Control & Posture Support

3D Sculpting T-Shirt | Black

N°1Award-Winning 2026 Innovation· Shaping Tee

200,000+ happy women

A clean line instantly

Firm hold, never tight

It never rides up

Thin, matte, seamless

Color
Size
Last Items in Sizes M & L Size guide
SizeBustWaist
S · UK 831-3378-8326-2865-71
M · UK 1233-3583-8928-3071-77
L · UK 1635-3789-9530-3377-83
XL · UK 18-2037-4095-10233-3583-88
2XL · UK 2240-43102-10835-3788-94
3XL · UK 2643-45108-11537-3994-100

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Fabric & fit

The relief is knitted into the fabric, not printed on it. A wide band crosses the stomach and the sides, a second one runs across the back.

Knitted relief

Never printed, so nothing cracks and nothing peels off over time.

Even hold

Firm across the middle, spread out, with no single pressure point.

Seamless knit

Thin, matte and breathable, it disappears under a shirt or a blazer.

Fit. Go by your bust, it decides how the tee sits on your chest and shoulders. Between two sizes, take the larger one.
How to wear it

Pull it on in the morning and forget it until the evening. You should breathe normally and eat without thinking about it. A mark still visible twenty minutes after taking it off means the size is wrong.

All day

The hold is spread out instead of pressing in one spot, so nothing digs in.

Under anything

No line and no edge under a shirt, a blazer or a fitted dress.

Easy care

Machine wash at 30 degrees. No bleach, no ironing, no tumble dryer.
Shipping & returns

Ships in 48h

Your order is confirmed by email as soon as it leaves.

5 to 7 days

Free shipping, carried by UPS and tracked the whole way.

Free returns

Thirty days to exchange or refund, no questions asked.

Any question gets an answer within 24 hours at contact@leonieandco.com.
As Seen In
200,000+

women wearing their shaping tee under everything, all day, without thinking about it

Stomach Held Flat

A wide knitted band holds your stomach and sides.

Smooth Back Line

A second band crosses the back so nothing bunches up.

Smoother Instantly

Your top falls straighter over it, from the first minute.

Seamless And Matte

No edges show through a fitted top.
Choose your size below

Try it risk-free for 90 days

EXCELLENT · Rated 4.9/5

Reviews from women like you

Nicole B.

Verified

Size M · 46 · Austin, TX

Worn 7 weeks

“My shirts sit flat over it, front and back. The ones I tried before never made it through a full day.”
Hundreds spent on creams
Smoother skin in 7 weeks

Natalia A.

Verified

Size 2XL · 37 · San Antonio, TX

Worn 9 weeks

“I never felt right tucking a shirt in. With this underneath, my waistline looks even and I stop adjusting all day.”

days to see it12

weeks worn9

a day3h

Rachel T.

Verified

Size 3XL · 51 · Portland, OR

Worn 6 weeks

“I bought it for a wedding and now I wear it to work. Sitting down no longer changes the way my dress falls.”

How it looks when she sits

Day 1

Week 2

Week 6

Priya M.

Verified

Size XL · 50 · San Jose, CA

“I am at a desk nine hours a day and it stays comfortable. No seams to feel, and my blouse stays smooth in back.”

Her own comfort rating

BEFORE2/10

NOW9/10

Carolina N.

Verified

Size L · 48 · Seattle, WA

Worn 4 weeks

“I ordered it for one outfit and it ended up under most of my sweaters. Thin knits look even instead of bunched at the waist.”

How smooth it looks under knits

Day 1

Week 3

Week 6

Danielle P.

Verified

Size 2XL · 48 · Miami, FL

Worn 5 weeks

“First shaping top that does not ride up on me. The hem holds, and the fabric is thin enough for Miami heat.”
Avoided every mirror
Mirror-ready in 5 weeks

Laura D.

Verified

Size M · 43 · Denver, CO

Worn 8 weeks

“I put it on after breakfast and forget it is there. By mid morning I stop noticing it at all.”

days to see it18

weeks worn9

a day2h

Yvonne R.

Verified

Size 2XL · 62 · Chicago, IL

“At 62 I wanted my arms and back covered without feeling squeezed. The short sleeves lie flat and nothing pinches.”

How the sleeves sit

BEFORE3/10

NOW8/10

Instant effect

No routine

How the 3D tee smooths the line of your clothes

Nothing to wait for. You see it in the mirror right away.
How It WorksWhy does a T-shirt change anything?

The support lines are knitted into the fabric, one wide band crossing the stomach and the sides, a second running across the back. Stretched over you, they hold the soft areas instead of letting them move. That is the whole mechanism.

Nothing to book No appointment, no session, nothing to plan.

Nothing to add to your day You put it on under your clothes. That is it.

Nothing to lose 90 days to judge it in your own mirror.
Daily WearCan I wear it all day, every day?

Yes. The knit is fine, matte and breathable, so most customers wear it like a normal top all day. There is no minimum time to reach and no schedule to keep.

2h wearing them22h of your normal day
Fit & HoldDoes it hold the same on every body?

Soft areas move, firm ones do not, and most bodies are a mix of both. The knit does the most where the flesh gives, so on the stomach and the sides, less on the bust and the shoulders. That is where you see the difference in the mirror. Here is how the usual options compare on what actually matters:

The honest part: this is a garment, nothing more. It holds while you wear it, and the moment you take it off your body is exactly as it was. What you get is how you look today, in your clothes.
Leonie & Co Shapewear bodysuit Classic control top A looser top Holds the stomach and sidesNothing to fasten or adjustNo extra time in your dayKnitted-in support bandsInstant shaping effectOne-off costMoney back if it does nothing
Life ChangesPostpartum, menopause, weight changes: still worth it?

The hold is mechanical and gentle. This is not a medical garment, and it suits a body that changes from one month to the next. During pregnancy, ask your doctor before wearing anything fitted.

After pregnancyYes

Around menopauseYes

Weight changesYes

During pregnancyAsk your midwife
CareHow do I wash it without ruining the knit?

Machine wash cold, no bleach, no dryer, no iron. Softener coats the fibers and slackens the support bands, the part doing the work. Air dry and it holds.
Fabric softener Tumble dryer Ironing the 3D lines
Machine wash at 30°C Turn them inside out Air dry flat or hanging
SizingWhat happens if I pick the wrong size?

If the fit is wrong when it arrives, you send it back and we ship the right size. No cost, no argument.

Between two sizes? Check the size chart.

A tee that is too tight bunches instead of holding, which works against you.

Trusted by

and 200,000+ women

They love Leonie, because we made shapewear feel like a T-shirt

FitTrue to size

CompressionJust right

Comfort4.8/5

Results speed4.6/5

2,847 women scored it

No incentives

  • 5 stars: 64 (80%)
  • 4 stars: 16 (20%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
K
Kathleen Z.
Really pleased with this

Comfortable, flattering and the shaping through the arms is exactly what I hoped for.

C
Carla T.
Ordered a second one

I wore the first one so often that I bought a backup in the same size. It smooths my upper arms without feeling tight.

L
Lisa M.
Great everyday top

Goes with everything and the fit stays neat all day. My arms look more even under it.

E
Erin V.
Good shaping, a wriggle to put on

The first thirty seconds are a struggle, but once it is on it is comfortable and smooth.

S
Shannon D.
Better than I expected

I ordered without much hope and was surprised. The knit holds everything gently and the black looks smart.

H
Heather L.
Nice quality fabric

Thicker than a normal tee but still soft. It has kept its shape after several washes.

P
Paloma A.
It smooths my upper arms

The area I am most self-conscious about looks much more even. Simple as that.

S
Sonia V.
Feels supportive

Like a light hug around the arms and waist. I forget I am wearing it after ten minutes.

M
Melissa G.
Lovely top, slightly warm

The knit is thicker than a normal tee so I keep it for cooler days. The shaping is excellent.

P
Phoebe S.
Good under jackets

No bulk and no rolling. It sits flat under a blazer and gives a clean line.

A
Andrea V.
I wear it constantly

It has become the top I grab when I want to feel put together with no effort.

M
Madison A.
Flattering cut

The seams sit in the right places and the shape follows the body without clinging.

K
Keisha L.
Washes well

Cold wash, air dry, no loss of stretch so far. Still as supportive as on day one.

O
Olivia U.
Great fit, needs more colours

Black is useful, but I would buy two more shades tomorrow.

F
Freya I.
Confident in short sleeves

The first fitted T-shirt in years that I feel comfortable in. The sleeves make a real difference.

E
Ella S.
Holds its shape

Even after a long day the fabric has not gone slack or ridden up. Impressed.

H
Hope Y.
Smart casual win

I dressed it up with trousers for dinner and it looked expensive. Comfortable the whole evening.

W
Wendy F.
Discreet shaping

Nobody can tell there is any compression. They just say the outfit suits me.

L
Lucia V.
Smooths well, runs small

Order one size up if you are between sizes. Mine fits nicely now.

C
Claire Z.
My sister wanted one too

She noticed how smooth my arms looked in mine and ordered her own. Both of us are happy.

D
Diana R.
True to the description

It supports, it smooths and it stays comfortable. No surprises.

L
Lauren F.
My arms look softer

The little dimples above my elbows are much less visible. Subtle, but I can see it.

M
Malika W.
Easy to style

Works with jeans, skirts and under knitwear. The black stays deep after washing.

E
Emily D.
Very good, hem could be longer

Another couple of centimetres would be perfect for my torso. Everything else is great.

P
Paige E.
Comfortable compression

Firm without pinching anywhere. I can breathe and eat normally, which was never true of my old shapewear.

K
Kimberly J.
Good for work days

Eight hours at a desk and it never dug in or needed adjusting.

F
Fiona P.
Nice neckline

High enough to feel modest and low enough to look modern.

R
Rania P.
Fully opaque

No see-through issues even when I stretch. That mattered to me.

C
Cassie F.
Nice compression, snug sleeves

The sleeves felt tight for the first hour and then settled. The smoothing is worth it.

J
Julie T.
Feels like quality

Dense knit, neat stitching, no loose threads. It feels like it will last.

A
Amanda V.
Smoother back line

The bra area looks flat underneath, which is the thing I always check in the mirror.

C
Chelsea R.
I stand taller in it

Something about the support makes me hold my shoulders back. An unexpected bonus.

Y
Yasmin J.
Perfect for travel

I packed it for a week away and wore it three times. It does not crease.

M
Mariam Q.
Good product, slow to dry

The thicker fabric takes a while on the line. Otherwise I am very pleased.

C
Clara D.
The slimming effect is real

Not magic, but the silhouette is visibly cleaner through the waist and arms.

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