Kelty Forecast 20-Degree Sleeping Bag (Regular) 20 F/-7 C Mummy Insulation: Climashield Green Shell Material: PRD315T Recycled polyester dobby Liner Material: RP282T Recycled polyester taffeta Two-layer, offset-quilt construction and efficient from-fitting hood. Top baffle collar and insulated hood baffle Hip-length, two-way zipper and zippered foot vent