Sierra Designs Nitro 15 Degree Sleeping Bag - Men's

The Men's Nitro 15 Degree Sleeping Bag by Sierra Designs is rated to 15 degrees F/-9 degrees C. We build in Flex between the shoulders and knees - so you get the comfort and thermal benefits - while saving precious ounces. Continuous baffling and a draft tube contain 800-fill goose down - the warmest - lightest insulation available. Specifications: Insulation 800-Fill Goose Down Shell Material 22D Polyester Liner Material 22D Polyester Features: 1/2 Zipper Continuous Baffle Construction Draft Tube Ergonomically Shaped Foot Box Foot Box Venting Jacket Hood New Color Blocking New Shell Color Partial Flex Construction Removable Pad Locks Snag Free Zipper Tracks Tuck Stitch