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