TrueDry Short Sleeve Polo Fabric: TrueDry Cotton Back Micromesh with Moisture-Wicking. 160gsm - 60% Cotton, 40% Polyster. Description: Durable polymesh knit in Cooldry polyester with cotton back, making this shirt comfortable to wear. Sizes: 8, 10, 12, 14, 16, 18, 20, 22, 24. Colours: Beige, Black, Navy, Steel Grey, White