100% combed cotton , For marled colours: 92% cotton / 8% viscose , Piqué knit , Slim fit , Button placket at the neckline with 2tone-on-tone buttons , Taped neck in the main material at the neckline , Side slits with trim in the main fabric , Rib finishes with contrasting trim at the neckline and cuffs , Twin-needle finish on the bottom hem ,