Kelty Supernova 3-in-1 30-Degree Sleeping Bag 30 F/-1 C Rectangular Insulation: 600 fill power down (top), Cloud loft pro synthetic(bottom). Box-Baffle construction(top) and two-layer, offset-quilt construction(bottom) Deep hood and zipper draft tube will keep the warmth in and cold out Top will unzip to be a cozy comforter or convert to a solo down bag