Warmth and Mobility The Under Armour ColdGear Armour Colorblock 1/2 Zip brings you unrivaled warmth in a stretchy breathable fabric so you can stay warm while training your hardest. Under Armour ColdGear Armour Colorblock 1/2 Zip features: • Lightweight knit ColdGear® fabric combines mobility and warmth. • Material wicks away sweat to keep you dry and comfortable. • Four-way stretch construction provides enhanced mobility. • Half-zip front makes for easy layering. • Dropped hem for extra coverage. • Raglan sleeves. • Stain metallic wordmark graphic. • 91% polyester. 9% elastane. Imported.