Higher State Half Zip Short Sleeve Running T-Shirt-Yellow HIGHER-FLOW - Advanced technical performance microfibre mesh fabric which actively works to wick sweat away and offers high breathability to keep you cool, dry and focused. Half Zip - Allows the wearer to dictate the level of ventilation in the garment. Performance Fit - The anatomical cut of the T-Shirt is designed for optimal movement and comfort in motion. Lightweight Material - 100% polyester mesh makes for a minimalist fabric construction, meaning you won't feel weighed down. Flat Lock Stitching - Ergonomically designed to reduce skin irritation when worn for prolonged comfort.