The Reebok Mens Workout Ready Activchill Tech T-shirt features ActivChill fabrication with SpeedWick technolgy which helps keep you cool and dry during exercise to push your limits further. Other features include stacked logo at left shoulder, easy to wear, slim fit silhouette with flatlock stitching detail at shoulder seams.Fit: RelaxedMaterial: 84% Polymid and 16% Elastane