100% polyester 5.0 ounce woven face, 100% polyester synthetic down filling, with 100% polyester dazzle mesh lining. Slanted Softschell Dura breast panel with Drytech piping accent, and stretchy 4x4 Reflex Fleece side panels and hem that stretch to ensure a better fit. With details like a tonal center and side reverse zippers, Vapor-Trans mesh, and inside storm flap, this vest has it all.