Under Armour Heatgear Running Tight Womens Black Blue nylon/elastane Imported Super-light HeatGear fabric updated to deliver superior coverage and support. Signature Moisture Transport System wicks sweat to keep you dry and light. Lightweight, 4-way stretch construction improves mobility and maintains shape. Anti-microbial technology keeps your gear fresher, longer. Flat, yoga-inspired waistband with a higher rise for continuous coverage.