5 oz./yd² / 172 gsm, 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-wicking performance; UV 15-39 protection; Luxury, comfort and performance in one; Active fit; Matching flat-knit collar with contrast double tipping; Three-button placket with dyed-to-match buttons; Hi-low hemline; Side vents;