Designed for comfort in hot, sticky weather, the Helios Polo is crafted from snag-resistant jersey knit fabric that offers moisture-wicking, quick-drying, and antimicrobial characteristics to keep you cool, crisp, and fresh at all times. Built from 4.5 oz. jersey knit polyester. Integrated underarm gussets ensure a full range of movement, while a pen pocket, front mic-clip pockets, shoulder mic loops, and a sunglasses loop allow you to keep important accessories within easy reach. Material: Polyester.