Formivelle Backless Thong Bodysuit Bra
Your essential foundation for all low-back looks.
✔ 100% Invisible under backless & plunge outfits
✔ Secure underwire support + instant cleavage boost
✔ 360° Tummy smoothing (No visible lines)
VAT & Duties Included.
Slide to see the transformation.
Enough with the tricky tape and visible straps.
This seamless bodysuit is the secret. It lifts, supports, and completely disappears under your backless look. Finally, flawless confidence from the moment you step out.
What about the bathroom?
Problem solved. Our discreet hook closure makes life easy, so you never have to fully undress again. Ultimate support meets effortless convenience. It's truly a game-changer.
Benefits:
- Problem Solved: Discreet hook closure at the base for effortless bathroom access.
- The Ultimate Freedom: Wear any backless or deep-V dress with total, invisible support.
- Flawless Finish: Truly seamless fabric guarantees zero visible lines under your outfit.
- Natural Lift: Gently lifs the bust and sculpts the waist with comfortable soft compression.
- Invisible Style: Adjustable, clear straps and low-back design disappear completely.
Engineered for Every Elegant Look.
Our adjustable, fully invisible straps and versatile low-plunge design mean this shaper adapts flawlessly to virtually any neckline—from deep-V to cross-back. It’s the single piece of foundation wear your wardrobe requires for total, uncompromised style versatility.
Seamless Shape. Effortless Feel.
Achieve a perfectly smooth silhouette without compromise. Our advanced compression fabric effortlessly enhances your natural curves, delivering a flattering lift to the bust and a streamlined waist, all in a breathable, second-skin fit.
Specifications:
- Includes: Backless Thong BodySuit
- Material: Cotton and Elastane blend
- Closure: Hook-and-eye at gusset
- Straps: Adjustable and removable
- Fit: UK sizing, including plus sizes
| Size | Under Bust (cm/inches) | Length (cm/inches) |
|---|---|---|
| S | 63–68 cm / 24.8–26.7" | 46 cm / 18.1" |
| M | 69–74 cm / 27.2–29.1" | 48 cm / 18.9" |
| L | 75–80 cm / 29.5–31.5" | 50 cm / 19.7" |
| XL | 81–86 cm / 31.9–33.9" | 52 cm / 20.5" |
| 2XL | 87–92 cm / 34.3–36.2" | 54 cm / 21.3" |
| 3XL | 93–98 cm / 36.6–38.6" | 56 cm / 22.0" |
Thanks to its flexible, deep-cup design, this piece accommodates fuller busts even in smaller sizes. If you’re between sizes, we recommend sizing up for comfort and extra support.
Cup Bra Size Guide
| Size | US / UK Cup | AU / NZ Cup | EU Cup |
|---|---|---|---|
| S | 32A · 32B · 32C · 34A · 34B | 10A · 10B · 10C · 12A · 12B | 70A · 70B · 70C · 75A · 75B |
| M | 34C · 34D · 36A · 36B · 36C | 12C · 12D · 14A · 14B · 14C | 75C · 75D · 80A · 80B · 80C |
| L | 36C · 36D · 38B · 38C · 38D | 14C · 14D · 16B · 16C · 16D | 80C · 80D · 85B · 85C · 85D |
| XL | 38C · 38D · 40B · 40C · 40D | 16C · 16D · 18B · 18C · 18D | 85C · 85D · 90B · 90C · 90D |
| 2XL | 40D · 40DD · 42C · 42D · 42DD | 18D · 18DD · 20C · 20D · 20DD | 90D · 90E · 95C · 95D · 95E |
| 3XL | 42DD · 44D · 44E · 44F | 20DD · 22D · 22E · 22F | 95E · 100D · 100E · 100F |
FAQ
Shipping & Orders
We offer Free Tracked Delivery worldwide! The minimum order value for free shipping varies by region:
- UK: Free over £40
- USA: Free over $50
- CA & AU: Free over $75
- Europe: Free over €45
- (For other regions, your local threshold will display automatically).
All orders are processed within 24 to 48 business hours. Standard delivery typically takes between 6 to 12 working days, depending on your country.
Delivery details will be provided during checkout & in your confirmation email.
Once your order has shipped, you’ll receive an email with your tracking link.
You can also track it anytime via our Order Tracking page.
We recommend choosing your usual size.
If you're between sizes, we suggest going one size up.
You can also check our Size Guide available on every product page.
No worries! We offer one free size exchange thanks to our Perfect Fit Guarantee.
Payment & Security
Yes — all transactions are encrypted and protected using a secure SSL connection.
Please contact us as soon as possible after placing your order.
If your order hasn’t shipped yet, we’ll do our best to assist you.
You can reach us at any time via our Contact page or by email at contact@formivelle.com
We usually reply within 24 hours (Monday to Friday)