The Essential Insulated Jacket is a soft and packable windproof jacket with added insulation for spring and fall rides. Combining the advanced windproof Pertex Quantum ripstop fabric with strategically placed panels of Polartec Alpha Insulation, the jacket has excellent breathability and a high level of insulation. All while being packable enough to still fit in your back pocket. The combination of materials enhances the insulating properties of the jacket. The fit accommodates one or more layers underneath the jacket. Comes with a taped back pocket, and silicone elastic at the hem.