Under Armour Women's ColdGear Cozy Neck Half Zip 87% Polyester, 13% Elastane Dual-layer EVO ColdGear construction combines a smooth, fast-drying exterior with a brushed, heat-trapping interior Allover mlange texture for softer, more modern style Deep  zip front for easy on/off Signature Moisture Transport System wicks sweat to keep you dry & light Lightweight, 4-way stretch construction improves mobility & maintains shape