The North Face Girls Boundary TriClimate Jacket The North Face designed this 3-in-1 jacket to be worn multiple waysthe shell alone, the liner alone, and the liner and shell together Waterproof breathable HyVent 2L shell with fully taped seams repels falling snow, dripping chairs, and slushy falls to keep her dry and comfortable throughout the winter The removable liner's 150g Heatseeker Aero synthetic insulation keeps her body heat close when worn alone or with the shell The shell's removable hood blocks out the storm and provides additional versatility in changing weather The shell's stowable powder skirt prevents deep snow from getting in