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 |
Marcus T.
I wear the tank under my work clothes and to the gym. It trims my waist instantly and makes every short workout feel twice as intense.
John D.
Bought this sauna vest after my jeans got tight. It really ramps up sweat on walks, and my belly looks flatter under shirts right away.
David S.
I’m a dad of two with no time. I throw this on for home workouts and can see sweat pouring. My midsection looks tighter already.
Eric L.
This vest helped me feel better in my own skin. It smooths my stomach, doesn’t pinch, and I drip sweat even on light bike rides.
Brian K.
The tank fits close without feeling stiff. I sweat like crazy during simple chores, and my shirts lay flatter across my gut now.
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.
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.
George Y.
Helps me sweat more at the gym, very durable and light.
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.
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.