HEATTECH 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

BLACK

DARK GRAY

NAVY

WHITE

Size

Clear

Description

Stay warm and comfortable with our Men’s ’HEATTECH’ T-Shirt, UNIQLO’s essential thermal base layer designed for everyday cold-weather wear. Powered by advanced ’HEATTECH’ technology, this T-shirt captures body moisture and converts it into heat, delivering lightweight warmth without the bulk. The soft, stretchy fabric ensures a snug fit that moves with you, while moisture-wicking properties keep you dry and fresh throughout the day. Whether layered under outerwear or worn on its own, this thermal tee offers insulation and versatile style for winter activities.

– ’HEATTECH’ Thermal Technology: Generates and retains heat from body moisture for consistent warmth.
– Lightweight Heat-Retaining Fabric: Provides insulation without added bulk.
– Moisture-Wicking Properties: Keeps you dry and comfortable throughout the day.
– Stretchable Material: Offers a flexible fit that moves with your body.
– Versatile Thermal Base Layer: Ideal for layering or wearing on its own in cold weather.

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