Port Authority Trace Heather Polo. Breathe new life into your office look with this active-inspired, heathered performance polo that wicks moisture and resists snags. 4.5-ounce, 100% polyester Self-fabric collar 3-button placket with dyed-to-match buttons Open hem sleeves Side vents Due to the nature of 100% polyester performance fabrics, special care must be taken throughout the printing process.