Port Authority Men's Stretch Pique Polo 55/40/5 cotton/poly/spandex Flat knit collar Back yoke with double-needle details 3-button placket with dyed-to-match buttons Flat knit cuffs Side vents K555 5.5-ounce 55/40/5 cotton/poly/spandex Flat knit collar Back yoke with double-needle details 3-button placket with dyed-to-match buttons Flat knit cuffs