The Therm a Rest Women's Capella 20 Sleeping Bag is warm for cold camping, light for backpacking, and protective for wet environments. Zoned insulation places stay warm when wet eraLoft synthetic where you need it most, and ThermaCapture helps the Capella's lining amplify warmth without added weight. Therm a Loft's efficient comfort fit gives this bag a women specific mummy shape that allows for enough movement for a sound sleep. The Capella also features SynergyLink connectors that strap to sleeping pads so you don't wake up on the cold, hard ground. The Toe asis footbox comes in a trapezoidal shape to ensure warmth as well as mobility. Therm a Rest also designed the Capella with a sculptured hood for a snug fit, a full length draft collar to keep the cold out, and a stash pocket for your headlamp.