Arcteryx Proton LT Hoody - Women's Elastane^Nylon^Polyester^Synthetic Imported Fortius Air 40 outer fabric with DWR treatment layers easily and effectively balances air permeability with wind and water resistance Coreloft Continuous 65 insulation in the body and arms Coreloft Continuous 65 insulated, helmet compatible hood can be adjusted for a precision fit with or without a helmet Two insulated hand pockets, one chest pocket No Slip Zip works like a series of speed bumps keeping the main zipper from self-opening, dual back flaps prevent wind penetration