For more information on the Big Agnes 15 degree down sleeping bag, check out: http://stp.me/BigAgnesCraterSB The one-way ticket to a comfortable night of rest in the backcountry, this package from Big Agnes features the cozy Crater mummy sleeping bag engineered for a comfort rating of 15°F thanks to 600 fill power goose down. The Crater bag is joined by a sleeping pad, boasting PrimaLoft® low-bulk insulation that keeps the cold ground from keeping you up at night. For more great deals on great brands, check out: http://stp.me/home