Sierra Designs Nitro 30 Degree Sleeping Bag - Men's

The Men's Nitro 30 Degree Sleeping Bag by Sierra Designs is rated to 30 degrees F/-1 degrees C. We build in Flex between the shoulders and knees, so you get the comfort and thermal benefits, while saving precious ounces. Our smart Foot Box Venting lets you customize the climate in the lower half of your Nitro, without adding the weight of a full-length zipper. Ultralight speed with full-featured comfort. 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 Partial Flex Construction Removable Pad Locks Snag Free Zipper Tracks Tucked Stitching