As much fun as it is to sleep on your back all night, causing you to wake up feeling stiff and sore, Big Agnes knew there had to be a better way. Enter the Women’s Sidewinder SL 20 Down Sleeping Bag. This lightweight sleeping system is specially designed to make it easy for side-sleepers to spend a night under the stars without being forced to sleep on their back by a traditional mummy sleeping bag. A centered zipper won’t get in your way as you shift from side-to-side throughout the night, and the built-in pillow barn ensures that you never leave your camp pillow far behind. Body-mapped insulation offers the warmth you expect from down, with added synthetic insulation in high-pressure areas like your hips and feet. Complete with a women’s-specific contour and extra insulation for added comfort on chilly nights, the Sidewinder is your ticket to a good night’s sleep in the backcountry.
- Women’s sleeping bag for those who prefer to sleep on their side
- Designed with extra insulation and a women’s specific contour
- 650-fill Downtekâ„¢ insulation provides a high warmth-to-weight ratio
- Body-mapped synthetic insulation provides extra cushion in the hips and feet
- Integrated Pillow Barn with stretch mesh keeps your pillow in place
- Jacket-style hood hugs your face without causing unwanted pressure
- Water-repellent finish on the shell and liner stop moisture from soaking your insulation
- Storage bag and stuff sack – Included
- Shell: Nylon rip-stop
- Lining: Polyester taffeta
- Insulation: Primary: 650-fill water-resistant DownTekâ„¢; Body Mapped: Firelineâ„¢ Eco Synthetic Insulation
- Temp Rating: 20° F
- Shape: Mummy
- Best Use: Backpacking, Camping
- Gender: Women’s
- Zipper Side: Center
- Fits Up To: [Petite] – 5′ 5″; [Regular] – 5′ 10″
- Bag Weight: [Petite] – 2 lbs 7 oz; [Regular] – 2 lbs 10 oz
- Fill weight: [Petite] – 22 oz; [Regular]Â – 24.5 oz
- Compressed Size: [Petite] – 6″ x 7.5″; [Regular] – 7″ x 8″Â
- Stuff Sack Size: 8″ x 17.5″

















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