Known for superior breathability, these polos not only wick moisture, they minimize odor.. 3.9-ounce, 100% polyester. Tag-free label. Flat knit collar. 5-button placket. Dyed-to-match buttons. Double-needle sleeves and hem. Set-in sleeves with raglan accent. Princess seams in front and back. *Due to the nature of 100% polyester performance fabrics, special care must be taken throughout the screen printing process.