Bag Expander

$85.00

Spec sheet Checked by IndieOut

Maker: Western Mountaineering
Made in: San Jose, CA
Type: Accessories
Availability: In stock at maker
Added: Apr 10, 2026
Last verified: Apr 10, 2026
Fulfilled by: Western Mountaineering — direct

Made in San Jose, CA by Gary Schaezlein. Handmade down sleeping bags from San Jose since 1970.

Buy from Western Mountaineering

Sold by Western Mountaineering. IndieOut is a directory; checkout, shipping, and support happen on the maker's site.

Meet the maker

Western Mountaineering

San Jose, CA · Sleeping Bags & Down

Handmade down sleeping bags from San Jose since 1970. Gary Schaezlein has been filling bags by hand for over 50 years. The gold standard in expedition sleeping bags.

Browse their full collection

Details

Western Mountaineering Bag Expander – Down Sleeping Bag Expander for Mummy Bags Increase the comfort and versatility of your sleeping system with the Western Mountaineering Bag Expander , a down sleeping bag expander for mummy bags . Whether you need extra space for broad shoulders, want more elbow room, or plan to share your bag with a partner, this simple addition transforms your sleeping bag into a roomier, more adaptable shelter for the night. Designed to zip directly into any Western Mountaineering mummy-style sleeping bag , the expander adds width without compromising warmth. Like our...