8.1 oz/ly (CA), 4.9 oz/sq yd (US), 165 gsm (EU). 100% Dri-FIT polyester with moisture management technology. Stand up collar. Tagless. Textured interior. Reverse coil zipper. Open hem sleeves. Open bottom hem with side vents. Contrast heat transfer Swoosh logo on left sleeve. Breathable. YKK® zipper. Auto-lock zipper pull. Classic fit.