Water Sport Series


Thermalution® Green Grade Plus it's fixable to swap halfway between small and big, don't need to worry if one battery is danger. Upper back core heating is sufficient to provide enough warmth if you dive within 30m.

Heating time too short!
Try latest model Green Grade Plus. It lasts up to 8 hours time with 2 large batteries.

One battery can operate it.
It is suitable for people need to dive in extreme weather conditions and its minimalistic design will keep you warm for up to 30 meters deep in the water.

Thermalution funtion Icon

Thermalution Green Grade

Heating Zone Various battery combination from 2 to 8 hours using time.

Icon_Time Battery duration may vary due to the temperature Sensor activities.
Continuous power output approximately 90-120 mins.

How to use ...

Push the battery connector through the hole of the battery pocket at the bottom. Place the battery inside the battery pocket.


Connect both connectors and wear the Green Grade undersuit.


Operate the Temperature Micro-Controller. Push button upward once to adjust temperature setting.

Green Grade Plus - Size Chart
size chart of sleeveless
Error value: ± 1 cm / 0.4 inch
In order to optimize the heating performance of the thermalution, we strongly advise our customers to wear smaller fitted sizes of the thermalution. Please refer to the size chart above to find the recommended size of Thermalution for you.
eg.: *When chest size is 33.7", please chose the XS size. / *When chest size is 109.5cm, please chose the L size.

Contact direct sales get quotation, or find your local distributor.
If you have any needs about Thermalution product, please >> contact us.
Thermalution Q & A
For more detailed information please visit our Q&A page.

Attention-Read Manual Read and fully understand operator's manual before using this product. Failure to follow operating instructions and any misuse of Thermalution products will create additional dangers.

Check Thermalution.com for updates and additional information. >> By creating an account you can free to download updated instruction manual for your undersuit! << Contact Thermalution if you have any doubts or difficulty understanding these instructions.

Other product of Water Sport Series :

 Surf Series 45ft / -15m    Under Gloves 300ft / -100m
 Blue Grade 150ft / -50m    Blue Grade Plus + 150ft / -50m
 Compact Dive Series 210ft / -70m    Yellow Grade 2.0 300ft / -100m
 Red Grade Plus + 300ft / -100m    Red Grade Ultra 300ft / -100m