Under Armour Dynamic Run Compression Running Tights Heatgear - Under Armour's summer season gear, wear this to stay dry, cool and light. Large Rear Zipped Pocket - Pocket has enough space to store a sizeable smartphone or small essentials like keys or coins. Moisture Management Fabric - The sweat wicking fabric actively works to keep you dry and comfortable. Compression Panelling - The garment is designed to maximise muscle power, reducing vibration and enhancing bloodflow. Elasticated Waistband - Offers you a secure, comforted fit.