Korda Compac Gas JacketSomething as simple as the Compac Gas Jacket can make a big difference, especially during the colder months when gas stoves suffer from reduced performance due to gas canisters getting cold. The Gas jacket is made from a fully insulated, durable and water resistant material, and is designed to fit a 500 size gas canister and insulate it from the elements keeping the canister warmer improves the performance of the gas. The jacket also prevents the