Sierra Designs Women’s Nitro 800, 0 degree sleeping bag

Sierra Designs Women’s Nitro 800, 0 degree sleeping bag

  • August 12, 2018
  • by Inga

I’ve been testing the Sierra Designs Nitro 800 sleeping bag all summer and can report that it’s a very warm bag that is lightweight and comfortable. I love my other bag, the zipperless Sierra Designs Backcountry Bed, but when the temps dip down into the teens and 20s, I prefer the added warmth of a mummy …