Our double poly mesh construction wicks moisture better for superior breathability and comfort.| • 3.8-ounce, 100% polyester double knit mesh • Double-needle arm seams, shoulders and hem • Taped neck • Flat knit collar • 3-button placket • Open hem sleeves • Side vents *Due to the nature of 100% polyester performance fabrics, special care must be taken throughout the screen printing process.