This insulated jacket was specially created to provide maximum warmth and wind protection. Its body mapped GORE-TEX Infinium shell maintains heat and allows for breathability in high output areas. The upper shell fabric is made of GORE-TEX 70d Infinium, while the lower fabric construction features a woven baffle design. Additionally, the upper insulation is Primaloft Silver (133g/m2) and the lower insulation is Primaloft ThermoPlume with CrossCore technology, providing exceptional synthetic insulation.