RELAXED FIT, SWEAT-WICKING POWER. The Nike Tech (USC) Adjustable Training Hat is made with Dri-FIT fabric and perforated panels to wick sweat and maximize airflow. Team colors and crest deliver school pride. Benefits. Dri-FIT fabric to wick away sweat and help keep you dry and comfortable. Six-panel design with interior taping for a comfortable fit. Embroidered eyelets and perforated side and back panels for breathability. Color trim and team crest at front for school pride. Curved brim and relaxed fit for enhanced comfort. Adjustable closure at back for a custom fit. Product Details. Fabric: Dri-FIT 100% polyester. Hand wash. Imported.