Columbia Sportswear Men's EvaPOURation Jacket Shell: 100% nylon Omni-Tech Evap. Lining: 100% polyester mesh Imported Underarm Venting Omni-Wick EVAP Advanced Evaporation Omni-Tech Waterproof/Breathable Fully Seam Sealed Attached, Adjustable Storm Hood Drawcord Adjustable Hem