Imperial The Dyno Cap ul)100% polyester with moisture-management fabric. Structured, five-panel, mid-profile with memory structure. Woven rope braid with reflective accents. Slight-curved buoyant visor board, Heather Charcoal underbill. NuYarn® performance Merion wool sweatband. Laser-cut perforated side and back panels for breathability. Imperial woven label by rubberized hook-and-loop closure.