Mens NASA Meatball Embroidered Poly Jersey Sport Shirt - S to 3XL 100% Polyester Made of 4.7 ounce 100% filament poly jersey knit Contoured welt collar. Clean finished placket with reinforced bottom box Three smoke grey pearlized buttons Sideseamed with side vents. Double-needle sleeve and bottom hems AquaFX for wicking properties