HEATTECH Ultra Warm T-Shirt

Color: 04 GRAY

WOMEN XS

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Description

Product ID: 485844

Features

https://image.uniqlo.com/UQ/ST3/us/imagesgoods/478965/feature/usgoods_478965_feature1.jpg

'HEATTECH Ultra Warm' fabric with Heat of Absorption and Heat Retention technology. The warmest 'HEATTECH' in our Women’s collection, approximately 2.25 times* warmer than our regular 'HEATTECH'. *Based on CLO values, which indicate the thermal insulation of clothing. Compared to standard 'HEATTECH'. *Recommended for temperatures of -4°F to 50°F. This is a guide when worn in combination with other clothing. The most comfortable temperature range will vary from person to person.

https://image.uniqlo.com/UQ/ST3/us/imagesgoods/478965/feature/usgoods_478965_feature2.jpg

Keeps its shape well even after repeated washing.

Details

Conquer the cold in style with Women’s ’HEATTECH'Ultra Warm Crew Neck T-Shirt, UNIQLO's warmest thermal base layer designed for extreme winter conditions. Crafted with advanced ’HEATTECH'Ultra Warm technology, this long-sleeve tee generates and retains heat from body moisture, delivering superior insulation without the bulk. The soft, brushed interior enhances heat retention while offering a cozy feel against the skin. With a classic crew neck silhouette and stretchy fit, it’s perfect for layering under outerwear or wearing solo for sleek, thermal comfort. Whether you're commuting, traveling, or enjoying outdoor activities, this thermal top keeps you warm and comfortable all day long.

- ’HEATTECH' Ultra Warm Technology: Converts body moisture into heat for maximum thermal insulation.
- Extreme Cold Protection: Our warmest thermal base layer, specifically designed for comfort in temperatures ranging from -4°F to 50°F.
- Brushed Interior Fabric: Enhances heat retention and provides a soft, cozy feel.
- Heat-Retaining Stretch Material: Offers a snug fit that moves with your body.
- Moisture-Wicking Performance: Keeps you dry and comfortable in cold weather.
- Classic Crew Neck Design: Versatile styling for layering or standalone wear.
- Long Sleeves for Full Coverage: Ideal for extreme cold and winter layering.
- Ultimate Thermal Base Layer: Perfect for outdoor adventures, travel, or everyday warmth.

Compare 3 Types of 'HEATTECH' Fabric:

'HEATTECH'
- Lightweight yet warm, ideal for everyday layering.
- Recommended for 41 °F to 68 °F for mild winter days or cozy indoor wear.

'HEATTECH' Extra Warm
- About 1.5× warmer than original 'HEATTECH', offering added insulation without bulk.
- Perfect for colder days with recommended temperatures from 23 °F to 59 °F.

'HEATTECH' Ultra Warm
- Our warmest option, approximately 2.25× warmer than original 'HEATTECH'.
- Designed for more extreme cold with a recommended range of –4 °F to 50 °F.

- Clothing using recycled materials is part of our effort to support the reduction of waste and use of new materials. Ratios of recycled material vary by item. Please check 'Materials' on the price tag or care label for details.

Product ID: 485844,478965

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Materials / Care

Delivery / Exchange / Returns

Delivery

Delivery Date and Time: This will be displayed after confirming the "Delivery Method" during purchasing. Shipping Fee: Standard shipping is $7.99. Free shipping for purchases over $99 or for in-store pickup. For more details about shipping, please

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Exchanges & Returns

Exchanges: Available online or at UNIQLO stores. Returns: Available with online purchases or at the store of the original purchase. Deadline for Returns/Exchanges: Within 30 days including the shipping date. Return Shipping Cost: Customers are responsible for return shipping fees unless the order received was incorrect. For more details about exchanges and returns, please

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Production

Production: Viet Nam

Our brand is continuously working to improve our understanding of the production process in our supply chain and to verify this information both in-house and with third parties. By having full understanding of the origins of raw materials, and the locations of the spinning, material production, sewing, knitting, and assembly processes, we are improving quality of our clothing and at the same time aiming to thoroughly ensure safe and secure manufacturing. We will continue to post information for customers to access and learn more about their clothing.

*The information on material production locations applies to products manufactured after 24FW.

Material

Material: recycled polyester

This product contains over 20% recycled materials by product weight. Uniqlo aims to transition 50% of all materials to low-emission alternatives by 2030. The use of recycled materials is considered to contribute to mitigating climate change, promoting sustainable use of resources, and reducing waste.

*See the "Details" section for more information.