Round Neck T-Shirt The Magic Drifly Series is built for high-speed drying and athletic mobility : 1) Advanced Drifly Fabric: Specialized polyester knit that accelerates sweat evaporation to keep you cool. 2) Feather-Light Feel: Designed to be weightless, reducing drag and increasing comfort during movement. 3) Ergonomic Roundneck: Features reinforced stitching at the collar to prevent sagging and skin irritation. 4) Anti-Static & Wrinkle-Free: Resists clinging to the body and maintains a crisp look without ironing.