Nike Featherlight 2.0 Hat The new featherlight 2.0 hat features Nike's patented comfort bill construction to reduce pressure against your forehead, reduce weight, and improve moisture management, all while keeping the same fit and aesthetic that you know and love. Nike's featherlight hat features Dri-FIT fabric, mesh for superior breathability, black underbill to minimize glare, and one-hand quick adjust closure. One size fits most 100% Polyester taffeta