A Versatile Bag for All Your Car Camp Adventures Maybe you're a first-timer. Maybe you're a warm-weather camper. Regardless, we've got your affordable car-camping sleeping bag right here: the Catena. Now updated with offset baffle construction, the Catena features cozy CloudLoft insulation and an anti-snag, anti-draft zipper. The versatile bag also unzips for use as a blanket, or you can zip two together for a doublewide spoon-fest. This tried and true rectangular design gives you everything you need to sleep soundly under the stars.