Under Armour Women's HeatGear Sonic Printed Racer Back Tank Super-light HeatGear&#174; fabric delivers superior coverage without weighing you down Signature Moisture Transport System wicks sweat to keep you cool, dry, and light Anti-microbial technology eliminates odors to keep your gear fresher, longer Lightweight, 4-way stretch construction improves mobility and maintains shape UPF 30+ helps protect your skin from sun damage