The Big Agnes Sidewinder 0 is a sleeping bag specifically designed for side sleepers. Engineered for comfort, with extra body-hugging insulation to optimize warmth where you need it and provide cushioning and support at the hips and shoulders, alleviating pressure points and other "side effects." The Sidewinder is a side sleeper sleeping bag with technical features that seamlessly roll from one adventure to the next, and from one side to the other at night.
- Side Sleeper Technology: Designed for side sleepers with a technical fit, patterned to follow your movements as you roll from side to side
- Optimized profile and heat-efficient foot space patterned to mimic the body position when lying on your side
- Down filling with a water-repellent finish throughout the bag provides high warmth
- Strategically placed synthetic insulation to provide cushioning and pressure relief at the knees, hips and shoulders
- Tight-fitting hood keeps insulation close to the body without sacrificing mobility
- Keep your pillow in place with the unique Pillow Barn made of stretchy mesh material with internal access from both sides for easy adjustment
- Smooth, fast zipper with anti-snag locking with pull-free zipper pull and long, ambidextrous zipper pull
- Easily adjust the hood without opening the zipper using low-profile internal drawcord access
- Turn off the draft by tightening the insulated tube along the top hood opening
- Storage bag and packing bag included
Specifications
- Total weight: 1.57 kg
- ISO comfort: -8°C
- ISO limit: -15°C
- Filling type: 650 DownTek™ + FireLine™ ECO
- Total fill weight: 815 g down + 183 g synthetic
- Compressed bag size: 25 x 25 cm
- Bag size: 26L 25 x 52 cm
- Maximum user height: 183 cm
- Recommended size of cover: Works with any size or style of cover
- Shoulder width: 155 cm
- Hip width: 140 cm
Material
- Outer material: Recycled polyester ripstop with water-repellent finish without intentionally added PFAS chemicals
- Lining: Recycled polyester taffeta with water-repellent finish without intentionally added PFAS
- Primary fill: 650 fill Downtek™ PFC-Free repels water while maintaining insulation value, with bluesign® certified water-repellent chemistry
- Body Mapped Fill: FireLine™ ECO Synthetic Insulation, 100% recycled polyester, with low-denier fibers that are tightly woven for high loft, compressibility, high weight-to-warmth ratio and durability