From the company that launched the revolutionary Jetboil PCS, the Sumo Group Cooking System integrates the all weather Sol burner with the high capacity Sumo Aluminum Cup, yielding an unmatched blend of power, convenience, and efficiency for the full range of group backcountry cooking. In this true 4-season upright canister cooking system, Jetboil introduces advanced Jetboil Thermo-Regulate Burner Technology to deliver consistent heat output down to 20°F.