![Uniqlo Canada on Twitter: "Our HEATTECH innerwear is available with 3 different levels of heat retention. Each type is designed for different temperature conditions, keeping you comfortable from chilly fall days to Uniqlo Canada on Twitter: "Our HEATTECH innerwear is available with 3 different levels of heat retention. Each type is designed for different temperature conditions, keeping you comfortable from chilly fall days to](https://pbs.twimg.com/media/FdqwO9yXEAER7zy.jpg)
Uniqlo Canada on Twitter: "Our HEATTECH innerwear is available with 3 different levels of heat retention. Each type is designed for different temperature conditions, keeping you comfortable from chilly fall days to
UNIQLO Philippines on Twitter: "Braving the extreme cold in your travels? Be prepared and extra comfortable with our HEATTECH Ultra Warm lineup. The warmest in HEATTECH history. #LifeWear #UNIQLOPH View the lineup
Uniqlo Singapore - Warm. Warmer. Warmest. As regular winter wear, HEATTECH does the job perfectly. However, you'll need HEATTECH Extra Warm, which is 1.5 times warmer than regular HEATTECH for chillier weather
![Uniqlo Canada on Twitter: "Our HEATTECH innerwear is available with 3 different levels of heat retention. Each type is designed for different temperature conditions, keeping you comfortable from chilly fall days to Uniqlo Canada on Twitter: "Our HEATTECH innerwear is available with 3 different levels of heat retention. Each type is designed for different temperature conditions, keeping you comfortable from chilly fall days to](https://pbs.twimg.com/media/FdqwPApX0AMAe1r.jpg)
Uniqlo Canada on Twitter: "Our HEATTECH innerwear is available with 3 different levels of heat retention. Each type is designed for different temperature conditions, keeping you comfortable from chilly fall days to
![Uniqlo Canada on Twitter: "Our HEATTECH innerwear is available with 3 different levels of heat retention. Each type is designed for different temperature conditions, keeping you comfortable from chilly fall days to Uniqlo Canada on Twitter: "Our HEATTECH innerwear is available with 3 different levels of heat retention. Each type is designed for different temperature conditions, keeping you comfortable from chilly fall days to](https://pbs.twimg.com/media/FdqwO9wXkAANSbi.jpg)