Name: HEATTECH Ultra Warm T-Shirt
SKU: 47-heattech-ultra-warm-t-shirt
Availability: InStock

HEATTECH Ultra Warm T-Shirt

Size chart

Clothing Size Conversion Chart
Category	US	EU	UK	Chest (in)	Waist (in)	Hips (in)
Men	XS	44	34	32-34	26-28	33-35
	S	46	36	34-36	28-30	35-37
	M	48	38	38-40	32-34	39-41
	L	50	40	42-44	36-38	43-45
	XL	52	42	46-48	40-42	47-49
Women	XS	32	6	31-32	24-25	33-34
	S	34	8	33-34	26-27	35-36
	M	36	10	35-36	28-29	37-38
	L	38-40	12-14	37-39	30-32	39-41
	XL	42	16	40-42	33-35	42-44
Youth	XS	128	7	26-28	23-24	26-28
	S	134	8	28-30	24-25	28-30
	M	140	10	30-32	25-26	30-32
	L	146	12	32-34	26-27	32-34
	XL	152	14	34-36	27-28	34-36

Pants Size Conversion Chart
Category	US	EU	UK	Waist (in)	Hip (in)	Inseam (in)
Men	28	44	28	28	34	30
	30	46	30	30	36	31
	32	48	32	32	38	32
	34	50	34	34	40	33
	36	52	36	36	42	34
Women	0	32	4	24	34	30
	2	34	6	25	35	30
	4	36	8	26	36	31
	6	38	10	27	38	32
	8	40	12	28	40	32

Shoes Size Conversion Chart
Category	US	EU	UK	Foot Length (in)
Men	6	39	5.5	9.25
	7	40	6.5	9.625
	8	41	7.5	10
	9	42	8.5	10.25
	10	43	9.5	10.625
	11	44	10.5	11
	12	45	11.5	11.25
	13	46	12.5	11.625
Women	5	35	2.5	8.5
	6	36	3.5	8.875
	7	37	4.5	9.25
	8	38	5.5	9.625
	9	39	6.5	10
	10	40	7.5	10.25
	11	41	8.5	10.625
	12	42	9.5	11
M (Unisex)	5	37	4.5	8.75
	6	38	5.5	9
	7	39	6.5	9.5
	8	40	7.5	10
	9	41	8.5	10.25
	10	42	9.5	10.625
	11	43	10.5	11
	12	44	11.5	11.25

color

BEIGE

BLACK

GRAY

OFF WHITE

Size

Clear

Description

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.

Additional information