Charcoal Fusion Belly Slimming Boyshort

$13.49 Sale price $24.99


Bamboo Charcoal: The Belly-Melting Compression Underwear Breakthrough For New Moms

UpSpring’s Charcoal Fusion Boyshorts combine cutting-edge bamboo charcoal fiber technology plus lightweight compression to help slim and support.* 

Our belly-slimming boyshorts are made with bamboo charcoal fiber technology, one of the latest breakthroughs in natural health and wellness.

Bamboo charcoal contains unique therapeutic properties that may help increase circulation.*

Why Charcoal Fusion Belly Slimming Boyshort?

  • Made with bamboo charcoal fiber technology
  • Slims belly and waist
  • Comfortable boyshort style with smoothing, lightweight compression
  • Machine washable and latex-free

Sizing Your Charcoal Fusion Belly Slimming Boyshort

  • Small - Medium: 25” - 30” waist
  • Large - XLarge: 31” - 36” waist

For centuries moms have been wrapping their post baby bellies to help slim down after baby. Tradition meets technology now with the Charcoal Fusion Boyshort with custom bamboo charcoal fibers plus lightweight compression to slim and support.

Bamboo charcoal is produced by burning bamboo at 1500° F. The resulting charcoal is then ground into fine nano-particles, fused with polyester, and spun into fiber. Bamboo charcoal has been shown to naturally emit far infrared light which may help increase circulation and blood flow. This therapeutic effect is above and beyond the beneficial effects of compression alone. 

Charcoal Fusion post baby belly slimmers are also in a High Waist Panty and Nursing Tank.

Bamboo Charcoal: Not Your Garden Variety Bamboo

Don’t be fooled by belly slimmers that boast bamboo. Bamboo by itself has no special properties to help shrink your belly faster. But bamboo charcoal fiber technology – that’s a different story! 

Women have been wrapping their postpartum bellies for centuries as a way to restore their figures and help their bodies heal after childbirth. Compression helps eliminate excess fluid from the tissues, resulting in less swelling and bloating and more weight loss. (Gotta love that!)

The Charcoal Fusion Boyshort builds on this centuries-old tradition with new bamboo charcoal fiber technology to give you even faster results.

Bamboo charcoal is produced by burning bamboo for up to a week at almost 1500° F. The resulting charcoal is ground into fine nano-particles, fused with polyester, and spun into fiber.

Bamboo charcoal has an unusual property, in that it naturally emits far infrared light. As infrared light interacts with your body heat, it helps to increase blood flow, speed healing, and shrink swelling.

This therapeutic effect is above and beyond the beneficial effects of compression alone.


Aside from being a different style, the main difference is the boyshort provides lightweight compression, while the high waist panty delivers a slightly-tighter moderate level of compression. However, both products contain the borderline-magic bamboo charcoal fibers we’ve been raving about. (In case you forgot: It reacts with your body heat to increase blood flow, which in turn helps to reduce swelling and inflammation, while speeding up metabolism. Pretty cool, huh?)

Bamboo charcoal reacts with body heat, acting as a sort of semiconductor to stimulate greater blood flow. You’ll know that your Charcoal Fusion Boyshort is working because you’ll feel the heat (in a good way).

No. Don’t be bamboozled by other bamboo belly slimmers! Only bamboo charcoal contains the natural therapeutic properties of charred bamboo that help to increase blood flood, speed healing, and reduce swelling.

The Charcoal Fusion Boyshort contains 37% B.C. Polyester, 55% Nylon, and 8% Spandex.

Yes. Machine wash gentle/delicate cycle, in cold water and lay flat to dry.

You can begin wearing your Charcoal Fusion Boyshort immediately after delivery. For best results, wear it as much as possible both day and night. Charcoal Fusion Boyshorts can be worn any time after delivery as well when you want to reduce bloating and increase circulation.

Yes! The bamboo charcoal fiber is truly revolutionary. It will provide the benefits of increased circulation and improved metabolism at any time, not just after having a baby.*

Yes! To help speed your C-section recovery, you may also want to consider C-Panty, our after C-section recovery underwear. C-Panty speeds recovery and helps reduce swelling, pain, and scarring after C-section.

Yes! Each product works on a different part of your body and they can worn be at the same time. Charcoal Fusion Boyshort slims the belly and waist, while Shrinkx Hips focuses its energy exclusively on narrowing your hips. Due to the hormone relaxin (yes, it’s really called that), you have eight weeks after delivery to guide your hips back to their pre-pregnancy position. 

Why yes, we do! Our Charcoal Fusion product line also includes a bamboo charcoal High Waist Panty, Nursing Tank, and Shrinkx Belly Bamboo Charcoal Wrap.


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