![Amazon.com : Marmot Ironwood Mummy Sleeping Bag | Down-Filled, Lightweight, 20-Degree Rating, Denim/Steel Onyx, Regular : Sports & Outdoors Amazon.com : Marmot Ironwood Mummy Sleeping Bag | Down-Filled, Lightweight, 20-Degree Rating, Denim/Steel Onyx, Regular : Sports & Outdoors](https://m.media-amazon.com/images/I/81O5DQ6hNSL._AC_UF350,350_QL80_.jpg)
Amazon.com : Marmot Ironwood Mummy Sleeping Bag | Down-Filled, Lightweight, 20-Degree Rating, Denim/Steel Onyx, Regular : Sports & Outdoors
Ultralight Insights -- What's New and Exciting for Ultralight Backpacking: GEAR REVIEW: Marmot Phase 20 Sleeping Bag
![Amazon.com : Marmot Ironwood Mummy Sleeping Bag | Down-Filled, Lightweight, 20-Degree Rating, Denim/Steel Onyx, Regular : Sports & Outdoors Amazon.com : Marmot Ironwood Mummy Sleeping Bag | Down-Filled, Lightweight, 20-Degree Rating, Denim/Steel Onyx, Regular : Sports & Outdoors](https://m.media-amazon.com/images/I/719S75xx7AL._AC_UF1000,1000_QL80_.jpg)