Alder MF

$530.00 - $545.00
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Roomy semi-rectangular bag; 25° F

For those nippy desert nights when counting shooting stars is all you have to do, the semi-rectangular Western Mountaineering Alder MF is your bag of choice. Roomy enough for comfort and warm enough so you won't wake with a chill before dawn, the Alder has a 62 inch shoulder girth and a 46 inch foot girth. The Alder has a zipper along the side to mate with mummy bags and a zipper around the foot so that it can be opened flat as a comforter or zipped to Western's Summer Coupler (sold separately) to make a bed for two.

Like all of Western Mountaineering's bags, this 25 degree sleeping bag is made by hand in San Jose, California. Their down is sourced from free-range mother geese who are never live-plucked or force-fed.


Brand Name:
Western Mountaineering
Temp Rating:
25º F
Seasonal Usage:
Three Season
Temp Rating Celsius:
-4° C
Bag Style:
Fill Weight:
Reg: 16 oz / Long: 18 oz
Bag Loft:
5 inches
850+ Fill Down
Reg: 1 lb 15 oz / Long: 2 lbs 1 oz
Bag Length:
Reg: 6 ft / Long: 6 ft 6 in
Circumference at Chest:
Reg: 62 in / Long: 62 in
Circumference at Hips:
Reg: 59 in / Long: 59 in
Circumference at Foot:
Reg: 46 in / Long: 46 in
Made In:
Bag Shell Material:
20-denier MicroLite XP™: highly wind- and water-resistant and incredibly breathable microfiber
Bag Stuff Size:
7 x 13 in
Other Features:
5.25 inch continuous baffles allow you to shift the down underneath you in warmer temps, or on top of you in cold temps
Zips to Summer Coupler (sold separately) to make a bed for two
Full-length draft tube seals in heat along the zipper
2 independent zippers
Stiffening tape along zippers to prevent snags

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