Port Authority Women's 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 Modified Johnny collar with decorative 3-button detail Dyed-to-match buttons Open hem sleeves Tulip-shaped hem Due to the nature of 100% polyester performance fabrics, special care must be taken throughout the printing process.