Melange colors are 100% polyester. Solid colors are 92/8 polyester/spandex. Structured, six-panel, mid-profile. Permacurv visor, black undervisor (White has white undervisor). Quick drying stain-resistant fabric. Anti-bacterial inside seam tape. Three layer high-tech sweatband. Laser-cut eyelets. Black Delta logo on right side.