evo.com | Helly Hansen Insulated Jackets > The Helly Hansen Sirdal Insulator Jacket uses ECOLoft(TM) Air SR synthetic insulation for reliable warmth that doesn't quit when moisture gets involved, which is a useful quality for any piece you're planning to work hard in the mountains. A clean, unfussy silhouette makes it easy to layer under a shell or wear on its own. 100% Polyamide Relaxed Fit Two Hand Pockets with YKK(R) Zipper HH(R) Printed Logo 30D Nylon Ripstop Down Proof Fabric 100% Polyamide | Helly Hansen Sirdal Insulator Jacket Men's 2027 - Medium Black | Nylon