Plus Size Underbust Stay Up Shaping G String

Regular Price
$60.00
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$60.00
Regular Price
$90.00
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Color: Nude

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2 Pack
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Alternate Product
2 Pack
$105.00
Alternate Product
2 Pack
$105.00

Feel smoothed and cinched in with B Free's high control shaping thong. Create a show-stopping silhouette with this powerful shaper that will make you look perfect in any outfit!

With maximum control this comfortable stretchy thong features a high-strength tummy control panel that shapes from the underbust down, leaving you feeling slimmed and toned in any outfit.  The side-seam-free and no-show finish ensures that there are no folds or lines in sight. With two sets of detachable straps (clear or matte) at no additional cost, your shaping thong will stay put and won't roll down.

  • Flattens tummy
  • No riding up
  • No panty lines with thong finish
  • Includes detachable and adjustable straps (1 pair fabric straps + 1 pair clear straps)
  • Smooth body line
  • Side-seam free and no tags
  • Detachable straps can be worn in multiple ways

Care Instructions: Warm machine wash. Line dry.
Fabric Content: Nylon/Spandex

 Please note that this item is not suitable to wear during pregnancy.

Please note that this product is not eligible for returns due to hygiene reasons. 

Control Level 3
Double-layer shaping fabric targets tummy zone with maximum control

USA Shipping and Delivery

  • $6 Flat Rate Standard Shipping for orders under $89.
  • $12 Flat Rate Express Shipping for orders under $139.
  • Free Standard Shipping for orders over $89.
  • Free Express Shipping for orders over $139. 
  • Free Express Shipping + Gift for orders over $189. Use of discount code may void free shipping unless the total order payment is over $189.
  • Express Shipping: Total dispatch and delivery time is 2-5 business days.

Tracking Your Order: Once your order is placed, you will receive a tracking number via email. You can track your parcel through the link provided by email.

Easy returns & exchanges  |  Full shipping & delivery policy →

Made on circular machinery, our seamless intimates and apparel range offers stretchy support and easy flexi-sizing making it easy to shop online.

We recommend ordering according to your usual US standard size. If you do not have an idea of your approximate US size, you may check the size chart for body measurements and look on each B Free product to find your corresponding B Free size.

As a general guide, we recommend ordering tops & slips according to your bust size, shapewear according to your hip size, and underwear according to your hip size. Note that this can vary depending on your body shape and personal preference.


US Size

Bust (tops & slips only) Waist Hip Thigh circumference at widest point (anti-chafing midi shorts only)
  Measurements in inches
2 33"-34" 25"-26" 34"-35" 20"-21"
4 35"-36" 27"-28" 36"-37" 21"-22"
6 37"-38" 29"-30" 38"-39" 22"-23"
8 39"-40" 31"-32" 40"-41" 23"-24"
10 41"-42" 33"-34" 42"-43" 24"-25"
12 43"-44" 35"-36" 44"-45" 25"-26"
14 45"-46" 37"-38" 46"-47" 26"-27"
16 47"-48" 39"-40" 48"-49" 27"-28"
18 49"-50" 41"-42" 50"-51" 28"-29"
20 51"-52" 43"-44" 52"-53" 29"-30"
22 53"-54" 45"-46" 54"-55" 30"-31"
24 55"-56" 47"-48" 56"-57" 31"-32"


If you are still unsure about your size after referring to this guide, email our friendly customer service team at contact@bfreeusa.com. Be sure to include your relevant body measurements and the style that you are interested in.

See How it Fits

See How it Fits