2.25 times warmer than our regular HEATTECH. *Based on CLO values, which measure clothing's thermal resistance. Comparison with standard 'HEATTECH'.
HEATTECH HIGH NECK T-SHIRT (ULTRA WARM)
WARM TO THE CORE WITH UNIQLO HEATTECH – Fashion, Travel & Lifestyle.
assorted heattech/body warmer from GU, Fiberheat
Uniqlo HeatTech T-Shirts - Functional, Stylish and Affordable
UNIQLO HEATTECH Products: Perfect for the Winter Season
UNIQLO HEATTECH Ultra Warm Turtleneck T-Shirt
UNIQLO PRESENTS: HEATTECH
Uniqlo's Heattech clothing is the best way to stay warm all winter
assorted heattech/body warmer from GU, Fiberheat
Heattech® - Warm clothes for Women
Layer up like a pro! Here's a HEATTECH temperature guide to help
UNIQLO HEATTECH Body Warmer