Big Agnes Sidewinder SL 20 650 Down Sleeping Bag - Women's Lyons Blue/Teal Petite. These Car / Base Camping Sleeping Bags has a temperature rating of 20 degrees Fahrenheit so you can count on it to keep you warm for 3-season camping car camping and everything in between. The Big Agnes Sidewinder SL 20 650 Down Sleeping Bag - Women's has all the top features of mummy bags that you know with some extra insulation to minimize pressure points when you're sleeping on your side. Designed as a woman-specific bag it is shaped differently than traditional sleeping bags to make it as comfortable as possible. If you're planning your next big adventure grab the Big Agnes Sidewinder SL 20 650 Down Sleeping Bag - Women's today Specifications for Big Agnes Sidewinder SL 20 650 Down Sleeping Bag - Women's: Manufacturer: Big Agnes Color: Lyons Blue/Teal Temperature Rating: 20 Bag Shape: Mummy Zipper Type: Left Lining Material: Polyester Taffeta Insulation: 650 Fill DownTek Gender: Female Age Group: Adults Condition: New Application: Camping Warmth Rating: 20 Sleeping Bag Size Regular Weight 2.1 lb Shoulder Girth 58 in Foot Girth 33 in Hip Girth 56 in Sleeping Bag Size Small Weight 2.7 lb Shoulder Girth 56 in Foot Girth 31 in Hip Girth 54 in Package Contents: Big Agnes Sidewinder SL 20 650 Down Sleeping Bag - Women's Big Agnes BWSWSL20P21: Sidewinder SL 20 650 Down Sleeping Bag - Women's Lyons Blue/Teal Petite