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SmoothFit High Waist Shorts — Seamless Tummy Control Shapewear
Your Shapewear Wasn’t Built for Your Body. This One Was.
High-waist seamless shaping shorts with targeted tummy compression and bonded edges, designed to resist rolling and to minimise visible lines under dresses, skirts, or work trousers. Slide them on under anything. Forget they are there.
Need different sizes? Add each size separately.
Build Your Everyday Smoothing Collection
Seamless smoothing for every outfit. Choose your colours and save.
Same seamless fit · Same invisible finish · More colours, more confidence.
30-Day Perfect Fit Guarantee · Free exchanges · No questions asked
What This Solves
Four Things Your Shapewear Keeps Doing To You.
6:30 AM, the fitted dress, the side view, the safe black pants. Every one of those mornings has a structural cause — and a structural fix.
You put on the fitted dress, love it for four seconds, then change outfits five times before you're running late.
SmoothFit ends the spiral. A smooth, invisible base layer lets your clothes drape the way they're supposed to — so you reach for the fitted dress first and never look back.
The waistband looked perfect at the start of dinner. By dessert, it's rolled into a tight band digging into your ribs.
SmoothFit's flexible waistband architecture was designed for this exact moment. It expands when you sit, contracts when you stand, and stays flat through the entire evening.
The silk midi and the knit wrap dress are still in your closet with the tags on, passed over because they cling to every seam.
SmoothFit gives you your wardrobe back. A completely seamless, low-friction surface that lets silk, knit, and satin glide over your body the way the designer intended.
Six weeks until the wedding, and the anxiety is already about what shows through the dress, not the dress itself.
SmoothFit was built so you can stop worrying about your undergarments and start being present. Dance, eat, laugh, sit — and never think about what's underneath.
It wasn’t your body. It was the engineering.
Every shapewear brand promises “no rolling” and “all-day comfort.” You’ve heard it before. You’ve bought it before. And you’ve stood in a bathroom stall at 9 PM, peeling off a garment that was supposed to make you feel confident, wondering why this keeps happening.
Here’s what nobody told you: the problem isn’t the brand. It’s the construction method.
Most shapewear — from the $18 Amazon pair to the $89 premium brand — is built the same way. Flat sheets of high-stretch fabric are cut into panels and sewn together with vertical seams. This construction applies the exact same compression force across your entire body: 100% pressure on your ribs. 100% on your stomach. 100% on your curves.
The industry calls this Static Uniform Compression. And it’s the reason your shapewear has been failing you.
When you sit, your abdominal wall naturally expands by up to 30%. Static Uniform Compression cannot expand with you — it fights your body. The fabric resists, the waistband loses its grip, and it collapses into that tight, angry sausage roll.
When every panel squeezes with equal force, your natural curves get compressed along with your tummy. The dreaded uni-butt — a flat, straight profile from waist to thigh that looks nothing like your actual body.
Your body has volume. When you squeeze everything with uniform force, that volume shifts. Upward into rib bulges. Downward into thigh bulges. You didn’t solve the problem. You relocated it.
The problem was never your body. It was the design.
Three zones. One seamless garment.
Built on the principle that different parts of your body need different things.
Instead of squeezing you with one uniform force from waist to thigh, SmoothFit maps three distinct support zones directly into the fabric — knitted as a single, continuous piece. No seams. No panels. No stitched-together flat sheets. Just one intelligent garment that responds to your anatomy.
A dense, double-knit panel targeted precisely at your lower abdomen. Whether it’s a postpartum pouch, a C-section shelf, or a soft lower belly, this zone holds you smooth and flat without compressing your organs or restricting your breathing.
A softer, more elastic knit around your upper waist and ribs. It expands when you sit, breathe, and eat, and returns to shape when you stand. The waistband is designed to sit high, stay flat, and resist rolling.
An open-mesh, zero-compression knit over your glutes, framed by a semi-circular support band that lifts your natural shape. Smooth in front, naturally round from the side. Your body, just polished.
Most “anti-roll” shapewear uses stiff plastic or steel boning sewn into the side seams. It works — until you sit down. Then it digs into your ribs and leaves red marks.
We took a different approach. SmoothFit integrates ultra-thin, flexible polymer micro-ribbons directly into the side construction. They bend freely when you sit — flexing a full 180 degrees — and snap straight back the moment you stand.
No plastic. No steel. No digging. Just quiet, confident structure that you never feel and never think about.
Perfect Fit Guarantee: If it doesn’t feel right, exchange it free.
Anatomy of the Garment
Every panel, labelled.
One seamless knit, three tension zones. Here is what each part of the garment is actually doing.
- 1
High, flat waistband
Integrated flexible polymer micro-ribbons keep it sitting high and flat, flexing 180 degrees when you sit instead of rolling.
- 2
Lower tummy panel
Dense double-knit construction targeted at the lower abdomen — firm and flat without compressing your organs or restricting your breathing.
- 3
Rear / glute panel
Open-mesh, zero-compression knit framed by a semi-circular support band that lifts your natural shape instead of flattening it.
- 4
Seamless leg hem
Laser-cut, bonded edges finish flat against your skin with a silicone grip zone — no sewn seam to chafe or ride up.
Two measurements. One correct size.
Dress sizes vary by brand and tell us nothing about compression. Take your natural waist and widest hip measurement — if they land in different sizes, size up. The quiz walks you through it in under a minute.
Between sizes? Size up. Exchanges are free for thirty days, so getting it right costs you nothing.
Find Your Smoothing Fit.
Every body distributes weight differently. Select your primary concern below to see how SmoothFit works specifically for you.
For desk days and commutes, SmoothFit's flexible rib zone expands when you sit and contracts when you stand — so the waistband stays flat through an 8-hour workday without digging or rolling.
See it in action.
The same dress. The same body. The same light. No filters, no retouching — just the drape.
Wearing a size 14 knit midi dress for the first time outside my bedroom felt like a moment of freedom! The dress hugs my curves perfectly, and I love how the shapewear underneath eliminates any visible lines, giving me confidence to strut my style.
— Real customer, size 14
Your curves, just polished.
We designed SmoothFit with a simple rule: smooth the front, celebrate the back. Most shapewear treats your entire lower body like one undifferentiated target. Everything gets squeezed. Your tummy gets flatter — but so does your backside.
SmoothFit’s rear panel uses an open-mesh, zero-compression knit that provides no squeeze over your glutes — just gentle lift from a semi-circular support band that follows your natural contour.
We don’t want to change who you are. We want to give your clothes a better canvas.
Standard Compression
Invisible under everything you love to wear.
Traditional shapewear is cut from flat fabric panels and sewn together — every seam creating a ridge that shows through fitted clothing. SmoothFit is knitted as a continuous, seamless tube. No side seams to catch the light. No sewn hems at the thigh.
The thigh openings are finished with laser-cut edges that transition smoothly to your skin. And the outer surface uses a silky, low-friction finish that lets your dress fabric slide freely instead of catching, clinging, or riding up.
Wear it under silk. Under knit. Under thin white linen trousers that show everything. SmoothFit stays invisible.
Seamless Construction Detail
See It Under Your Favourite Outfits.
Real customers. Real outfits. No retouching. Sizes 8–14 represented.
WithoutWith SmoothFitBodycon Dress
Without
With SmoothFitJeans & Fitted Top
Without
With SmoothFitSun Dress
Without
With SmoothFitWork Blouse & Trousers
Without
With SmoothFitEveryday Basics
Women like you, in their own words.
“Order underwear in your size, then it will fit perfectly. If you order a size smaller, the fabric will be semi-transparent in the hip and leg area. The advantage is that you will pull them on rather than just putting them on. Overall, the product is good, it tightens the abdomen and waist area well, and can be worn under the top (main) layer of clothing, which visually makes the figure look toned.”
“Super! i recommend both - the product and the store!”
“Thin. High waist. Nice for walking.”
“I liked the purchase, it fits perfectly. The material seems like sock fabric but thicker and more durable.”
“Total transformation... it really shapes the body well... under a close-fitting dress, it's great”
“The quality is very good, the texture is soft, my wife liked it a lot.”
Find your perfect fit in two measurements.
Forget dress sizes — they’re different at every brand and they’re useless for shapewear. Grab a measuring tape: take your natural waist measurement and your widest hip measurement. Match them below.
If your waist and hips fall in different sizes, always choose the larger size. The compression will do its job without needing the tightest possible fit.
Not sure? Measure along with me →| Size | Waist (in) | Waist (cm) | Hip (in) | Hip (cm) | Approx. Dress Size |
|---|---|---|---|---|---|
| XS | 24 – 26 | 61 – 66 | 34 – 36 | 86 – 91 | 6 – 8 |
| S | 26 – 28 | 66 – 71 | 36 – 38 | 91 – 96 | 8 – 10 |
| M | 28 – 30 | 71 – 76 | 38 – 40 | 96 – 101 | 10 – 12 |
| L | 30 – 33 | 76 – 84 | 40 – 43 | 101 – 109 | 12 – 14 |
| XL | 33 – 36 | 84 – 91 | 43 – 46 | 109 – 117 | 14 – 16 |
| 2XL | 36 – 40 | 91 – 101 | 46 – 50 | 117 – 127 | 16 – 20 |
| 3XL | 40 – 44 | 101 – 112 | 50 – 54 | 127 – 137 | 20 – 24 |
We know shapewear sizing is stressful. Every SmoothFit order is protected by our 30-Day Perfect Fit Guarantee. If your size doesn’t feel right — too snug, too loose, not quite what you expected — contact our team within 30 days and we’ll send you a new size immediately, completely free.
No return shipping fees. No restocking charges. No waiting on hold. You shouldn’t have to gamble on a size when buying online. So we removed the gamble entirely.
SmoothFit vs. standard shapewear.
| Standard Shapewear | SmoothFit | |
|---|---|---|
| Compression Method | Static Uniform Compression — the same pressure everywhere | Three mapped tension zones that respond to your anatomy |
| Waistband Structure | Rigid boning or plastic that digs in the moment you sit | Flexible polymer micro-ribbons that flex 180° when seated |
| Rear Panel | Uniform squeeze flattens your natural curve (“uni-butt”) | Zero-compression open-mesh panel with a natural lift |
| Construction | Flat panels sewn together, creating visible seam ridges | Seamless knit tube with laser-cut, bonded edges |
| Ribs & Waist | Same high pressure across the ribs restricts breathing | Softer, elastic knit that expands when you sit, breathe, eat |
| Bathroom Access | Full removal required | Double-overlapping gusset opens easily, no removal needed |
| Sizing | Small-cup pattern scaled up | XS–3XL engineered per size, with free size exchange |
Common questions, honest answers.
Try them for 30 days. Risk-free.
Shapewear sizing is stressful, so we removed the gamble entirely.
30 Days, Worn In Real Life
Wear it under your real clothes. Sit at your desk for a full day. Dance through a wedding reception. If it doesn't feel right, send it back within thirty days.
Free Size Exchange
Shapewear sizing is genuinely hard. If the fit isn't right, we send a new size immediately at no cost — no return shipping fees, no restocking charges, no waiting on hold.
Discreet Delivery
Plain outer packaging with no product imagery or brand claims on the label. What arrives at your door is nobody else's business.
No return shipping fees. No restocking charges. No waiting on hold.
Three pieces. One complete foundation.
Each piece solves a different problem. Together, they cover everything from your bust to your thigh — and the set price makes it the smartest way to start.
The Complete Sculptwear Set
CurveSculpt Faja Bodysuit + SmoothFit High Waist Shorts + LuxeLift Plus ShaperBra
Individual total
Set price
You save
Bundle discount applied at checkout
Take the Full Sculptwear Quiz →
30-Day Fit & Sit Guarantee on every piece. Wrong size on any item? We swap it free.
Complete Your Smoothing Wardrobe.
Each item ships separately within 5–10 business days — sourced from our specialised fulfilment partners to bring you the best quality for every piece.
You Have Two Options.
Keep reaching for the oversized blazer and the safe black pants. Keep buying $25 shapewear that rolls down by lunchtime, flattens your curves, and joins the drawer of shame. Keep blaming your body for a problem that was never yours.
Try a completely different compression architecture — one that was engineered for a body that sits, moves, and lives, and refined for everyday comfort. One that stays put, preserves your shape, lets you breathe, and lets you use the bathroom without an engineering degree.
Feel smoother. Feel more held. Feel more like yourself in the clothes you already own.
So your day is not controlled by your tummy.
Stop fighting your clothes. Start wearing them.
SmoothFit gives you three things your old shapewear never could: a waistband that stays flat when you sit, a tummy panel that smooths without suffocating, and a rear panel that celebrates your curves instead of erasing them.
One seamless garment. Three intelligent tension zones. Invisible under everything you love to wear.
Try them for 30 days. If they don’t change the way you get dressed in the morning, exchange them free or get your money back.
30-Day Perfect Fit Guarantee · Free Exchanges · Free shipping over A$99
Your clothes were never the problem. Your body was never the problem. You just needed the right foundation.