Stone Glacier | Grumman Down PantUltralight and packable down insulation worn over pants in static, cold conditions or underneath a rain pant during static activity in extremely cold and wet conditions. Like its partner jacket, the Grumman Goose Down Pant was strategically designed to reduce weight and maximize packability for backcountry hunts. We have found down hunting pants to be a game changing piece of gear in adverse conditions. However, many of the products we have used did