Product details:

Pack this just-in-case PrimaLoft insulating layer and youll thank us later. Call it your backcountry emergency insulation. Maybe youll never need it, but if you do, youll be really thankful you have this layer. The Foster Jacket, made with synthetic PrimaLoft insulation, has the airy warmth of down but dries faster and stays warm even when conditions get wet. FlyLows goal in designing this jacket was to have packability, like down, but instead use a non-down insulator, PrimaLoft ThermaPlume, which stays warm when wet. Easily stuff it into a corner of your pack when you dont need it, or layer it under a shell when you do. The Foster is backcountry ready, thanks to pockets you can access with a pack on, pit zippers for ventilation, and packability.