Filling: Polyfill. Fabric: Triple Weave. Denier: 1200D. Fabric Technology: Breathable, Insulating, Waterproof. 2 Back Darts, Arch Band, Elasticated Leg Straps, Lead Hole, Stretch Gusset, Underbelly Straps. Fastening: Snap Closure. Neckline: Collared.