DetailsHomeschool Men's Size Chart Warmth and technical performance come together in this 2.5 layer (20,000mm/30,000gm) insulated shell. Powered with 37.5 Technology Insulation (100gm), this jacket will crank heat when needed. But because of its superior breathability, you’ll be able to chase storms all season long without worrying about overheating. It’s loaded with features to seal out snow including, Homeschool’s signature Wind Hater Hood™, Deep Pow Deployable Cuffs, a powder skirt, and fully-taped seams. Dialed in features include magnetic pocket closures, a YKK Aquaguard zipper on the chest pocket, and pit zips for bonus airflow.