- Updated to Ultra Stretch fabric with added deodorizing features for comfort.
- Lightweight while maintaining the same warmth.
- HEATTECH Ultra Warm is approximately 2.25 times* warmer than regular HEATTECH, with a brushed interior for an extra soft feel. *Based on CLO values, which indicate the thermal insulation of clothing. Compared to regular HEATTECH.
- Fabric with HEAT RETENTION, Heat of Absorption, moisture-wicking, ultra-stretch, and deodorizing comfort features.
- Body width and full-length sleeves designed for the feel of a long-sleeved T-shirt or sweatshirt.