DetailsKnit Shirt - Smooth/Jersey - Long Sleeve. 50/50 poly-cotton smooth (jersey) knit material. Polo style. 3 button placket. Ribbed collar. Stain repellent. Ribbed cuffs on sleeves. Note: Smooth knit shirts have no texture, similar to a traditional t-shirt. Most schools allow either smooth or pique, but make sure to check your school's requirement sheet as to which type is allowed.