Celebrating 20 Years of HEATTECH withNew Ultra-Light Material – the Thinnest HEATTECH Ever

Keep toasty warm during winter with the new HEATTECH lineup, offering an expanded range of colours and materials

Kuala Lumpur, October 31, 2023 Global apparel retailer UNIQLO today announces the launch of the latest HEATTECH,[1] its thin and warm thermal clothing technology that converts water vapors from the body into heat. Launched in 2003, HEATTECH is celebrating its 20th anniversary this year, with cumulative unit sales of approximately 1.5 billion items[2] worldwide. HEATTECH has changed winter fashion around the world, and reflecting UNIQLO’s LifeWear philosophy of simple, high-quality everyday clothing that’s designed to make everyone’s life better.

This season, UNIQLO has updated the HEATTECH lineup to further enrich everyday life, with newly developed materials for a greater comfort, and an expanded range of design and colour variations. Along with its signature innerwear, UNIQLO also offers a rich lineup of other apparel and goods that incorporate HEATTECH technology. Keeping you warm and comfortable during chilly weather, HEATTECH continues to support winter lifestyles around the globe.

A new material that is thin, light, and warm

New in the WOMENS line is the HEATTECH Ultra-Light Turtleneck Top, made with the thinnest HEATTECH material yet. The use of ultra-fine fibres makes this item about 20% lighter than conventional HEATTECH innerwear.[1] Air pockets, created by knitting the thin yarn in a way that adds puffiness, help ensure heat retention. With warmth the same as conventional HEATTECH items,[2] the material offers smooth comfort and just the right amount of sheerness, with a wide range of colour variations. These new items can be worn both as innerwear and for layering, making them highly versatile for styling during colder seasons.

Product updates

WOMEN – Changes in specifications and knitting method for greater comfort.

Standard HEATTECH innerwear now has printed care labels for a smoother feel. This year, the range of skin tone colours has also been expanded for easier use as a base layer. The popular HEATTECH Extra Warm Seamless Ribbed lineup launched last year now has improved knitting specifications that makes it less prone to pilling, while still retaining its fluffy feel. The material used has also been updated to use recycled nylon.

MEN – Updated materials and rich colour variations

The material for HEATTECH innerwear has been changed to recycled polyester. Including the HEATTECH Cotton Crew Neck Long Sleeve T-shirt (Extra Warm) series, colour variations in the lineup have been expanded to broaden the range of styling options. HEATTECH Ultra Warm has been updated to a new material with a special knitting technique that holds more air, making it soft and lightweight while retaining the same warmth level the Ultra Warm line is known for.

■First Holiday Collection from “Princesse tam tam”

Celebrating 20 Years of HEATTECH with 
New Ultra-Light Material - the Thinnest HEATTECH Ever

The French-born brand “Princesse tam tam” joins the HEATTECH lineup as a new holiday collection.

“Princesse tam tam” specializes in original prints and vibrant colours, and this new lineup features the brand’s signature colouring. The newly added items are Seamless ribbed turtleneck T (RM 79.90) and Socks (RM24.90). The new items are scheduled to launch on November 10 (Fri.).

■ HEATTECH is the choice of fashion professionals

During Paris Fashion Week Fall/Winter 2023-24, UNIQLO conducted a survey about UNIQLO and HEATTECH products. The results show that the usage rate of HEATTECH increased by 25.5% since the previous survey, indicating a growing market penetration worldwide. When asked what respondents like about HEATTECH, the most common answer was that it is warm without being bulky. Overall, respondents indicated that they wore HEATTECH because they wanted to stay warm while still enjoying fashion during the wintertime.

  • More than 70% of respondents started wearing HEATTECH within the last three years.

Of those respondents who said they have worn HEATTECH, 70.6% stated they started wearing it within the last three years. Some respondents cited energy costs, rising prices, and changing temperatures changes as reasons, indicating that HEATTECH buying trends were partly affected by last year’s energy crisis. In addition, when asked how often they wore HEATTECH, about half of respondents said they wore it on a daily basis indicating that, over the past three years, HEATTECH has rapidly become an essential item in people’s wardrobes.

Celebrating 20 Years of HEATTECH with 
New Ultra-Light Material - the Thinnest HEATTECH Ever