Under Armour Women's HeatGear Armour 5&rdquo; Mid 87% Polyester/13% Elastane Imported Locked-in UA Compression fit increases muscle power so you'll feel like you can do anything Super-light HeatGear fabric delivers superior coverage without weighing you down Signature Moisture Transport System wicks sweat to keep you dry & light Lightweight, 4-way stretch construction improves mobility & maintains shape Anti-odor technology prevents the growth of odor-causing microbes