Why isn't my ultra heat tech leggings working? : r/uniqlo
![Why isn't my ultra heat tech leggings working? : r/uniqlo](https://styles.redditmedia.com/t5_2t0ch/styles/communityIcon_40ai1ifv6nrb1.png)
![](https://im.uniqlo.com/global-cms/spa/resb6677316e89a3119679a1608c129cbbafr.jpg)
HEATTECH Ultra Warm Leggings
![](https://www.refinery29.com/images/11546415.png)
Uniqlo + HEATTECH Ultra Stretch Leggings Pants
![](https://im.uniqlo.com/global-cms/spa/res7fb76dc59b4fcfdbd032328eeec7701cfr.jpg)
HEATTECH Ultra Warm Leggings (2022 Edition)
![](https://thekit.ca/wp-content/uploads/2020/12/2020-uniqlo-heatteach-thekit.ca-feature.jpg)
UNIQLO HEATTECH: Meet Your Winter Wardrobe Hero Pieces
How do the UNIQLO Heat Tech and AIRism fabrics work? - Quora
![](https://m.media-amazon.com/images/I/513BPUW63uL._AC_UY350_.jpg)
Real Essentials 5 Pack: Womens Crop Top High Waist Quick Dry Fit
![](https://www.uniqlo.com/us/en/news/sp/topics/2019100801/img/1532T_191005HaFYcZ.jpg)
The 3 Types of HEATTECH, UNIQLO TODAY
![](https://m.media-amazon.com/images/I/61h9kcdot0L._AC_UY1000_.jpg)
DEVOPS 2 Pack Youth & Boys Thermal Compression
![](https://im.uniqlo.com/global-cms/spa/rese97c1bd96ffdc704fecba2b4adccb967fr.jpg)
HEATTECH Ultra Warm Leggings (2022 Edition)
![](https://image.uniqlo.com/UQ/ST3/WesternCommon/imagesgoods/461015/item/goods_08_461015.jpg)
HEATTECH Ultra Warm Tights
![](https://www.uniqlo.com/jp/en/contents/lifewear-magazine/assets/img/unique-clothing/ogimage-en.jpg)
UNIQLO, LifeWear magazine
![](https://www.byrdie.com/thmb/En9lE1pY-ix3_VfXry0cjZfpGJw=/fit-in/1500x1000/filters:no_upscale():max_bytes(150000):strip_icc()/HUE-Womens-Cotton-Ultra-Legging-with-Wide-Waistband-d49809a6cabe43e0acc01b571fb09777.jpg)
18 Must-Have Cotton Leggings for 2024
2.25 times warmer than our regular HEATTECH. *Based on CLO values, which measure clothing's thermal resistance. Comparison with standard 'HEATTECH'.
![](https://image.uniqlo.com/UQ/ST3/ca/imagesgoods/460468/sub/cagoods_460468_sub30.jpg?width=494)
HEATTECH LEGGINGS (ULTRA WARM)
![](https://soranews24.com/wp-content/uploads/sites/3/2018/01/heattech3.jpg)
We try it out: Does Uniqlo's HeatTech Ultra Warm work on a