Keep cool and refreshed in training and games by pulling on the under armour heatgear long sleeve compression shirt in carbon heather and blackthis mens long sleeve base layer top from under armour has a compression fit to help boost performance improving blood flow and speeding up muscle recovery in action a smooth chafe free flatlock seam construction delivers a comfortable distraction free fit as 4 way stretch fabrication allows for more freedom of movement made from polyester and elast