Port Authority® Tall Core Classic Pique Polo. TLK100. An indispensable polo for just about every uniforming need. Designed for everyday wear, this pique polo is made from a durable blend for lived-in comfort, traditional good looks and exceptional value. 4.4-ounce, 60/40 cotton/poly pique Flat knit collar and cuffs 3-button placket with dyed-to-match buttons Side vents