Under Armour ColdGear Women's Cozy Running Tights 87% polyester/13% elastane Dual-Layer EVO ColdGear Construction - Combines a smooth, fast-drying exterior with a brushed, heat-trapping interior. Ergonomic Flatlock Seams - Allow you to move freely without the risk of chafing and irritation. Wide Waistband - Delivers superior coverage for a super-flattering silhouette. Melange Texture - For a softer, more modern style.