– 1.5 times* warmer than our regular ‘HEATTECH’. *Based on CLO values, which indicate the thermal insulation of clothing. Comparison with standard ‘HEATTECH’. – Soft 100% SUPIMA® cotton lining. *Standard cotton, acrylic, and other textiles on the outside. – High-performance fabric with Heat of Absorption, HEAT RETENTION, odor control, and moisture-wicking comfort features. – Ultra Stretch for freedom of movement and easy layering. – Versatile crew neck design.
100% SUPIMA® cotton on the inside. 1.5 times* warmer than our regular ‘HEATTECH’.