Men’s Electric Heated Body Suit Thermal Underwear
Men’s Electric Heated Body Suit Thermal Underwear
Stay Warm All Day Outdoors
Stay comfortable in the coldest months without bulky layers. Threo heated base layer delivers reliable warmth, keeping your whole body cosy. Move freely, no matter the weather or activity outside.
Quick Heat Activation
Feel soothing heat in thirty seconds after pressing the button. Enjoy lasting comfort that never lets you down in icy weather.

Targeted Full-Body Comfort
Threo heated underwear warms the knees, back, and waist at once. Every zone stays comfortable, so you can stay active longer.

Safe and Easy Care
Smart insulation protects you with automatic thermal control technology. Machine washing is possible, making maintenance effortless every time.

Size guide

TO MEASURE YOURSELF:
Stand straight with your arms hanging naturally by your sides.
Start the measuring tape at the shoulder and extend it down to the desired hemline.
Wrap the measuring tape around the fullest part of your bust.
Place the measuring tape at the shoulder and extend it down to the wrist.
TO MEASURE YOURSELF:
Start the measuring tape at the waist and extend it down to the ankle.
Wrap the measuring tape around the thinnest part of your waist and the fullest part of your hips.
| SIZE | SHIRT LENGTH | BUST | SLEEVE | |||
|---|---|---|---|---|---|---|
| cm | inch | cm | inch | cm | inch | |
| M | 63 | 24.8 | 96 | 37.8 | 55.5 | 21.85 |
| L | 65 | 25.59 | 100 | 39.37 | 57 | 22.44 |
| XL | 67 | 26.38 | 104 | 40.94 | 58.8 | 23.15 |
| 2XL | 69 | 27.17 | 108 | 42.52 | 60 | 23.62 |
| 3XL | 71 | 27.95 | 112 | 44.09 | 61.5 | 24.21 |
| 4XL | 72 | 28.35 | 116 | 45.67 | 62.5 | 24.61 |
| 5XL | 73 | 28.74 | 120 | 47.24 | 63.5 | 25 |
| SIZE | PANTS LENGTH | WAIST | HIPS | |||
| cm | inch | cm | inch | cm | inch | |
| M | 97.5 | 38.39 | 55 | 21.65 | 93 | 36.61 |
| L | 98.5 | 38.78 | 58 | 22.83 | 97 | 38.19 |
| XL | 100 | 39.37 | 61 | 24.02 | 101 | 39.76 |
| 2XL | 101.5 | 39.96 | 64 | 25.2 | 105 | 41.34 |
| 3XL | 103 | 40.55 | 67 | 26.38 | 109.5 | 43.11 |
| 4XL | 104.5 | 41.14 | 70 | 27.56 | 114.5 | 45.08 |
| 5XL | 106 | 41.73 | 73 | 28.74 | 119 | 46.85 |
| Size | US | UK | EU | Foot length | |
|---|---|---|---|---|---|
| cm | inch | ||||
| 35 | 5.5 | 4 | 35 | 23 | 9.06 |
| 36 | 6 | 4.5 | 36.5 | 23.5 | 9.25 |
| 37 | 6.5 | 5 | 37 | 24 | 9.45 |
| 38 | 7 | 5.5 | 38 | 24.5 | 9.84 |
| 39 | 7.5 | 6.5 | 38.5 | 25 | 10.04 |
| 40 | 8 | 7 | 39 | 25.5 | 10.04 |
| 41 | 8.5 | 7.5 | 41 | 26 | 10.24 |
| 42 | 9 | 8 | 42 | 26.5 | 10.43 |
| 43 | 9.5 | 9.5 | 43 | 27 | 10.86 |
| 44 | 10 | 10 | 44 | 28 | 11.22 |
Specifications
| Power supply: | USB power bank 5V / 2.4A |
| Heating start time: | 30 seconds |
| Temperature levels: | 3-level adjustable |
| Temperature range: | |
|---|---|
| Red LED: 45℃–55℃ | |
| Blue LED: 40℃–50℃ | |
| White LED: 35℃–45℃ | |
| Voltage: | 5V safe voltage |
| Working time: | about 6–7 , 10000mAh |




















V***N (verified buyer)
New Zealand
The pants looked neat on my cream couch, and the waist stretched enough for me to move comfortably
N***P (verified buyer)
New Zealand
I laid the black top with my power bank before heading out, and it warmed up while I packed my gear
R***K (verified buyer)
New Zealand
The black top feels soft around the neck, and I like that it fits neatly under my work hoodie
L***F (verified buyer)
New Zealand
I tested the black top on the floor with my power bank, and the red light showed it was ready
A***B (verified buyer)
New Zealand
The red button and gray power bank were easy to set up, and the waist area got warm quickly
E***R (verified buyer)
New Zealand
I pressed the lit button on the black sleeve and felt warmth build fast during my early garage work
D***S (verified buyer)
New Zealand
The button near the elastic edge is simple to use, and the pants warmed my legs without feeling bulky
M***T (verified buyer)
New Zealand
Holding the black fabric, I could tell the button was firm, and the heat kicked in before I left home
C***M (verified buyer)
New Zealand
The small power button on the dark fabric is easy to reach, and the shirt stayed smooth under my jacket
M***D (verified buyer)
New Zealand
I unfolded the black pants on my wood floor, charged them, and wore them for a chilly walk later