TL-009
Discover one of the most innovative comfort and temperature-regulation solutions on the European sportswear and workwear markets: a lightweight vest equipped with an advanced thermoelectric system powered by the Peltier effect. Designed for everyday outdoor use, it can cool or heat on demand, adapting instantly to your needs and keeping you comfortably cool or warm, even in extreme conditions.
Our most compact vest: small in size, but powerful in performance!
4 cooling/heating zones on the back of the vest.
Unisex model. Available color: black.
DETAILED PRODUCT
DESCRIPTION
How it works:
With a simple electric current, the Peltier module creates an immediate cold or hot surface that regulates the temperature of your skin. By extracting or distributing heat, it activates the body’s natural heat circulation, generating an autonomous and efficient thermal cycle to maintain your comfort for longer. This thermodynamic principle, inspired by advanced cooling technologies used in electronics, allows precise and reliable control of body temperature.
Main features:
- 4 targeted cooling/heating zones on the back for optimal performance
- Peltier thermoelectric technology — no ice, no water, no chemicals, no fans
- Compact, discreet, lightweight, and easy to wear
- Suitable for outdoor activities, sports, and everyday use
- Reliable performance even in high heat or humidity
Cooling mode (tested at 25°C)
- Strong/intense cooling (blue button): down to 11°C, ~5 hours runtime (10,000 mAh battery)
- Weak cooling (light blue button): down to 15°C, ~6 hours runtime (10,000 mAh battery)
Heating mode
- Strong/intense heating (red button): up to 40°C, ~6 hours runtime (10,000 mAh battery)
- Weak heating (yellow button): up to 30°C, ~7 hours runtime (10,000 mAh battery)
Why it’s a real game-changer: 
This vest harnesses thermoelectric principles to enhance the body’s natural heat exchange system. It provides consistent, powerful, and precise comfort, ensuring safety and well-being under direct sunlight or in cold conditions. Compact, high-tech, and unique on the market, it combines innovation, sleek design, and performance.
Stay performing. Stay comfortable. Stay cool or warm with the smart vest that brings next-generation thermoelectric technology directly into your daily life!
How to activate cooling / heating function

1. Connect the external battery (powerbank) to the cable stored in the pocket.

2. Press and hold the activation button for at least 2 to 5 seconds, until the indicator lights up.

3. Press the button again to select the temperature setting.

4. To turn off the cooling / heating function, press the button again for 2-5 seconds.

5. You can manually select one of the four cooling / heating modes.

Powerbank / battery
(may be provided separately)

• We recommend using an external battery of at least 10,000 mAh capacity. A removable and USB-rechargeable battery (power bank), once connected, may be easily stored in the pocket of the vest.

• Power supply required: 5V (3A output). Voltage: 5V.

• Before washing your vest, it is essential to uninstall all removable Peltier components.

• Wash by hand or in a washing machine up to 30°C, without any fabric softener.

• Do not use bleach or harsh detergents.

• Do not turn on the cooling / heating module if your vest is wet.

FABRIC

100% mesh polyester

CONTACT

All Thermalli products can be customized to suit your needs.

Styles and design, colors and prints, location of heating zones… Give free rein to your creativity.

Contact us!

229 rue Saint-Honoré
75001 Paris

NOS VÊTEMENTS CHAUFFANTS

The heating elements are certified and comply with European CE and RoHS standards.

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