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 |
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.
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.
George Y.
Helps me sweat more at the gym, very durable and light.
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.
Sean M.
This slim tank has become part of my daily routine. It slides under any shirt, pulls my stomach in, and makes even slow walks feel more intense.
Tim F.
I bought this slim top to jump-start my fitness. It helps me sweat during simple walks, keeps my core snug, and still lets the skin breathe.
Derek W.
I wear the vest under my office clothes. It trims my midsection, and by lunchtime I’m sweating more than I used to during full workouts.
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.
Alex J.
Nice snug fit, boosts sweat during quick walks, looks great under shirts.
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.