String gainant Elya, vue de face

Thong Shapewear

Black / 2XS
29,99 €
Sale price  29,99 € Regular price 
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String gainant Elya, vue de face

Thong Shapewear

29,99 € SUMMER SALE
−5% extra with code ELYA5

The thong shapewear that shapes with no visible line. The discretion of a thong, the smooth finish of tummy control knickers.

  • Seamless
  • Second-skin feel
  • Long-lasting hold
  • Invisible under clothes

Size guide

Find your perfect size. All measurements are in centimetres and refer to your body measurements, not those of the garment.

Size Bust Waist Hips FR / EU US UK
2XS76-8160-6279-8532004
XS83-8864-6786-93340-26
S89-9469-7494-100364-68-10
M95-10075-80102-107388-1012
L102-10881-89108-1134212-1414-16
XL109-11890-97114-12344-4614-1618
2XL119-12898-104124-1334816-1820

How to measure yourself

  • Bust — measure around the fullest part, wearing an unpadded bra.
  • Waist — measure around the narrowest part, just above the navel.
  • Hips — measure around the widest part, standing with your feet together.

Torn between two sizes?

Our seamless fabric offers progressive support. For a strong sculpting effect, choose the size below. For maximum everyday comfort, choose the size above.

Our model wears this thong in size S — 1.71 m, 84/62/90

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Description

The thong shapewear that leaves no trace under the tightest outfits. The shaping of tummy control knickers in the invisible format of a thong.

This shaping thong sculpts your silhouette quietly, with no visible line under the closest-fitting outfits. The mid-rise waistband gives gentle shaping at the tummy, while the thong back disappears under bodycon dresses and tight trousers.

Where a classic thong only covers, this seamless, ultra-fine thong shapewear delivers a double effect: the discretion of a thong plus the smooth finish of shaping knickers. No rigid edges, no digging elastic, no riding up.

An essential for the days when you can't afford a single line. Wear it under bodycon dresses, pencil skirts, low-rise trousers or tight jersey dresses. Imperceptible comfort you forget on the skin, from morning to night.

Thong shapewear, shaping bodysuit or seamless knickers: what to wear under a bodycon dress?

Three "zero visible line" pieces, three uses. The thong shapewear is the most minimal solution: no line at the back, light tummy shaping. Here's the overview:

Criterion Thong Shapewear (this style) Thong Shaping Bodysuit Seamless Knickers
Type Thong only (bottom) Full bodysuit (top included) Knickers with laser-cut edge
Visible line at the back None None None (laser-cut)
Bust support No Yes No
Long-wear comfort Good (going out) Good Optimal (8–12 h)
Ideal under Bodycon dress, tight trousers A tight dress (when you want support) Anything, every day

When to wear thong shapewear

  • Under a bodycon or tight jersey dress – no line at the back, a perfectly smooth silhouette.
  • Under tight or low-rise trousers – the thong disappears, the tummy stays gently shaped.
  • Pencil skirt – zero visible line at the thigh-to-bottom crease under the close-fitting fabric.
  • Going out, evening, date – total discretion when the outfit forgives nothing.
  • Light-coloured outfits – completely invisible in a skin-tone shade.

Who should NOT wear thong shapewear?

Thong shapewear is a lifesaver for most women, but there are cases where other styles suit better. Our honest advice.

For long daily wear (8 h+)

A thong, even a shaping one, stays less comfortable than knickers over 10 to 12-hour days. For long daily wear, choose seamless tummy control knickers with a laser-cut edge, which combine discretion and lasting comfort.

Sensitive intimate area or frequent irritation

If you're prone to irritation or your intimate area is sensitive, choose knickers with a wider cotton gusset. A thong allows less airflow and can worsen irritation for some women.

Intense sport (running, fitness)

Thong shapewear isn't made for intense sport. The repeated movement can cause friction at the crease. For sport, shapewear shorts are a better fit.

During a heavy period

Obvious, but worth a reminder: a thong isn't compatible with most period protection. Reach for classic knickers during those days instead.

Frequently asked questions about thong shapewear

  • Does the thong ride up or roll down during the day? No. The mid-rise waistband and smooth edges keep the thong in place without rolling, even when seated.
  • Is it really invisible under a light-coloured dress? Yes, in a skin-tone shade (taupe, nude). The thong back and seamless edges create no line.
  • Is the tummy shaping enough with a thong cut? It's light shaping that smooths gently. For stronger shaping, see the firm control knickers.
  • Which size should I choose? Your usual size. Comfort comes from the fabric, not from squeezing. When in doubt, the size guide helps.
Material & Care
  • 78% nylon, 22% elastane
  • Seamless construction (no visible seams)
  • Shaping mid-rise waistband
  • Thong cut at the back with no visible line
  • Smooth, edge-free finish
  • Gusset lined with 100% cotton
  • Light shaping
  • Breathable fabric for daily wear

Care: hand wash at 30°C with a mild detergent, do not tumble dry, do not iron, do not bleach. Dry flat in the shade to preserve the fabric's stretch and shaping power over time.

Shipping
  • Free shipping over €50
  • Standard delivery: 3–5 business days

All our pieces are guaranteed against manufacturing defects.

Get more from your wardrobe

The invisibility of a thong. The hold of shaping knickers.

A classic dilemma: under a tight dress you want a thong so the underwear doesn't show – but at the same time you'd love a little hold at the tummy. The two goals seem to contradict each other, and most brands force you to choose.

Elya's thong shapewear refuses that choice. Ultra-discreet thong cut at the back, a narrow 8-to-10 mm back band, and a mid-rise waistband with a lightly shaping panel at the lower tummy. The seamless 78/22 fabric stays invisible under bodycon dresses, tight satin and fine jersey trousers.

The piece that stops making you compromise. Gentle shaping and total invisibility in a single move.

Designed in France · Made in Portugal · Built to last.

Why choose Elya

Every shapewear brand promises the same thing. Here's what genuinely sets an Elya piece apart from the rest.

Other brands
Manufacturing Portugal, family atelier Often Asia, opaque conditions
Seamless fabric, 78% nylon / 22% elastane
14h+ comfort, no pinching or marks
Laser-cut edge styles available
Pay in 3 or 4, interest-free

Discover the Elya story →

Frequently Asked Questions

Does thong shapewear really shape despite the thong cut?
Yes. The mid-rise waistband contains a shaping panel over the lower tummy that smooths without restricting. The thong cut removes the visible line at the back without sacrificing front shaping.
Under which outfits is this thong ideal?
Bodycon dresses, tight jersey dresses, slim trousers, pencil skirts – all the outfits where classic knickers would leave a visible line at the back.
Is it as comfortable as a normal thong?
Yes. The ultra-fine seamless fabric and the absence of seams make it almost imperceptible to wear. The difference from a classic thong: a little more hold at the tummy, with no pressure at all.
Is the thong back narrow or wider?
Standard: a narrow 8–10 mm back band. Discreet enough to disappear under the tightest outfits, and comfortable enough not to bother you.