Under Armour Women's HeatGear Armour Printed Short Sleeve 92% Polyester/ 8% Elastane Imported Light but locked-in pinhole mesh delivers superior breathability without sacrificing coverage 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 Raglan sleeves & flatlock seams unlock mobility & eliminate chafing