Stone Glacier | Cirque JacketWeather resistant, breathable synthetic insulation worn as active outerwear in cool and variable conditions or underneath a shell in cold, wet conditions. The first of its kind for Stone Glacier, the Cirque Jacket is the multi tool of your hunting kit, melding heat and moisture management in an insulating garment. Designed to shine on high exertion hunts through a broad range of temperatures (thank you pit zips), the Cirque also can be worn as an