Features: Rectangular design lets you stretch out without feeling as confined as you might in a traditional mummy bag Recycled face fabrics and insulation for comfort and durability Anti-compression pads for better clo values Durable YKK(R) zipper Wraparound footbox zipper allows the bag to lie flat Stuffsack included Specs: Body: 50D recycled polyester ripstop with non-PFC durable water-repellent (non-PFC DWR) finish Lining: 50D recycled polyester taffeta Insulation: recycled polyester Sizes: REG, LONG Temp Rating: 20degF / -7degC