Fabric: 5.1 oz./yd2 / 172 gsm, 100% polyester face plaited to 60% polyester, 40% cotton back (total overall garment 61% polyester, 39% cotton) with moisture-wicking performance. Proprietary dual-sided mesh pique knit constructed of fine denier wicking polyester on the outside and soft-as-cotton wicking blend on the inside. Features: Matching flat knit collar. Luxury, comfort and performance in one. Stylized open placket. Curved back yoke with center pleat.