Stick to the same training routine, all while getting the comfort you require outdoors. To keep you warm, ColdGear?? Infrared absorbs your body heat, and at the same time, a more relaxed cut offers you space to move. But, as you know how intense your activities get, this garment continues to keep you cool through moisture-wicking, breathable fabrics.. . Loose: Fuller cut for complete comfort.. Brushed microfleece is soft on both sides & delivers superior warmth. ColdGear?? Infrared technology uses a soft, thermo-conductive inner coating to absorb & retain your own body heat. Material wicks sweat & dries really fast. 6.1 oz. Polyester. Imported.