Under Armour Empowered LS Crew-BLU T-Shirt. Extra soft, elastic and airy knit fabric with inner fleece layer for optimal warmth.The material is a great sweat wicker and it dies very quickly.4-Way Stretch technology allows for greater flexibility of clothing in any direction.Under the armpits are panels made of finely mesh ColdGear ® for better ventilation.Moulded hem with side shocks for better admission to your physique.