2.5-Layer Merrell Opti-Shell waterproof, breathable fabric keeps you dry and comfortable. 100% Polyester. Fully seam sealed. Contoured, adjustable stow-away collar attached hood provides optimal protection from wind and weather. Three piece hood with back and front toggle adjustability. Storm flap over reverse coil front zipper. Higher hand pockets for free access while carrying a pack. Two-way waterproof pit zips for heat regulation.