Western Mountaineering Sleeping Bag Expander
Functional Design Sleeping Bag Expander was created for campers who just want more room. The Expander offers comfort for people who dislike the claustrophobic feeling of a mummy bag. The Expander is available in 3-season weight and summer weight, and can be used on the top or underneath your mummy bag.
3 Season expander weighs 168g / 5.9 oz