5 oz /yd2 / 172 gsm (US) 8 4 oz/Lyd (CA) 100% polyester face plaited to 60/40 polyester/cotton back (total overall garment 61/39 polyester/cotton) Proprietary dual sided mesh pique knit constructed of fine denier wicking polyester on the outside and soft as cotton wicking blend on the inside Moisture management performance Luxury comfort and performance in one Active fit UV 15.39 protection Hidden button down collar with integrated collar stays Dyed to match pearlized buttons Adjustable cuffs with button placket Double layer back yoke