- HEATTECH Extra Warm is 1.5 times warmer than our regular HEATTECH. *Based on CLO values, which indicate the thermal insulation of clothing. Comparison with standard HEATTECH.
- 100% SUPIMA® cotton lining is gentle on the skin. *The outer material is made with standard cotton, acrylic, and other textiles.
- 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.
- Full-length leggings to keep your legs toasty warm.