Helly Hansen crew vest - new, no tags HELLY TECH® Protection fabric creates a fully seam sealed, windproof, waterproof barrier that allows internal water vapor to escape. Mesh lining promotes air circulation. Stand collar extends protection. Full-zip front closure with zipper garage and interior wind flap. Napoleon zip pocket. Interior zip pocket at left chest. Two zip hand warmer pockets. Adjustable drawcord hem. Shell: 100% polyester (bluesign® approved fabric). Backing: 100% polyurethane. Lining: 100% polyester mesh.