Port Authority Silk Touch Performance Polo. K540 We took our legendary Silk Touch Polo and made it work even harder. The durable Silk Touch Performance Polo wicks moisture, resists snags and thanks to PosiCharge&#153; technology, holds onto its color for a professional look that lasts. There???s just no higher performing polo at this price! 3.9-ounce, 100% cationic polyester double knit Self-fabric collar Tag-free label 3-button placket with dyed-to-match buttons Set in, open cuff sleeves Double-needle sleeve cuffs and hem