Shape Up Fast Without Extra Effort
Boost confidence every day and see visible results quickly. The Threo vest uses special fabric to increase calorie burn during activity. Enjoy a sleek look under any clothing while staying comfortable. No complicated routines needed to get a firmer silhouette.
Maximum Sweat
Increase perspiration every session for faster progress. More moisture means quicker loss of excess water weight.
Instant Slimming
Flatten your stomach immediately for a sharper appearance. Hidden seams keep everything smooth and discreet.
Comfort Fit
Flexible material allows free movement during workouts or rest. Breathable lining prevents overheating or skin irritation.
Size Guide
- TO MEASURE YOURSELF:
- 1. Stand straight with your arms hanging naturally by your sides.
- 2. Start the measuring tape at the shoulder and extend it down to the desired hemline.
- 3. Wrap the measuring tape around the thinnest part of your waist and the fullest part of your bust.
| SIZE | LENGTH | BUST | WAIST | |||
|---|---|---|---|---|---|---|
| cm | inch | cm | inch | cm | inch | |
| S | 57 | 22.44 | 90-94 | 35.43-37.01 | 80-85 | 31.49-33.46 |
| M | 60 | 23.62 | 94-98 | 37.01-38.58 | 85-90 | 33.46-35.43 |
| L | 60 | 23.62 | 98-103 | 38.58-40.55 | 90-95 | 35.43-37.4 |
| XL | 61 | 24.02 | 103-108 | 40.55-42.52 | 95-100 | 37.4-39.37 |
| 2XL | 64 | 25.2 | 108-113 | 42.52-44.49 | 100-105 | 39.37-41.34 |
| 3XL | 65 | 25.59 | 113-118 | 44.49-46.46 | 105-110 | 41.34-43.31 |
















James G.
I was unsure at first, but this tank really boosts my confidence. It smooths my belly in seconds and still lets me bend, stretch, and twist easily.
Kevin P.
I use the tank during home workouts and while doing house cleaning. It adds a steady burn, helps my gut look flatter, and doesn’t ride up.
Harry B.
The sauna tank made me feel more confident at the gym. It tightens my waist, keeps my back straight, and handles heavy use with great durability.
Patrick N.
I wear the vest while doing yard work. It turns mowing and raking into a sweaty session, and my wife says my belly looks much slimmer.
Robert C.
Got this for my evening walks. It hugs my torso without squeezing, ramps up sweat quickly, and my belly outline under tees is much cleaner.
Luis H.
Bought the sauna top after a friend recommended it. My stomach looks sharper for date nights, and I stay comfortable even when I’m drenched.
Ian Z.
Makes my waist look neater and keeps me sweating.
Anthony R.
Got the vest for my morning runs. My core heats up fast and I’m soaked by the end. Love how my stomach looks in polos now.
Oscar V.
I use this under my hoodie when lifting. It shapes my waist, hides love handles, and the inside lining keeps it from rubbing my skin.
Alex J.
Nice snug fit, boosts sweat during quick walks, looks great under shirts.