CornerStone - EZCotton Tactical Polo. CS414 100% Cotton Developed for professionals whose jobs demand an all-cotton fabrication. This durable tactical polo features a no-curl collar and resists pilling, fading, wrinkling and shrinking. 6.5-ounce, 100% cotton Double-needle stitching throughout Flat knit collar 3-button placket with dyed-to-match buttons