Fit and Design: Tight fit shirt Mock neck for added coverage Ergonomic flatlock seams deliver a comfortable, chafe-free fit Light and tight fit with optimum muscle compression so you can sense where your body is in space Technology: Original, thicker HeatGear(R) fabric helps keeps you protected under your gear-limiting pinching, snagging and chafing Material wicks sweat and dries really fast 4-way stretch material moves better in every direction Additional Details: Imported