7-oz. 93% polyester, 7% elastane w/4-way stretch
Base 3.0: max warmth for "extreme" cold conditions
ColdGear technology: warm, dry, and light
ArmourBlock anti-odor technology helps reduce BO
Ergonomic flatlock seams and raglan sleeves
Under Armour's famous ColdGear base layers are designed to keep you warm, dry, and light. This fitted shirt is made from quick-drying, 4-way stretch, 7-oz. 93% polyester, 7% elastane. Heavy-weight Base 3.0 layers offer max warmth for "extreme" cold conditions and low activity levels. 1/4-zip neckline provides on-demand ventilation. Ergonomically placed flatlock stitched seams and raglan constructed shoulders offer ultimate mobility and comfort next to your skin. ArmourBlock anti-odor technology helps reduce unpleasant body odor.