Puma Gore Infinium

$1,095.00 - $1,155.00
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Extreme warmth with a GORE® shell; -25° F

The uber-cozy Western Mountaineering Puma Gore Infinium sleeping bag is stuffed with premium down, highly water-resistant, and roomy to boot! 37 ounces of 850+ fill power down lofts this bag to a full 9" for a rating of 25 below zero. A shoulder girth of 64 inches provides enough room to layer, store clothing or to fit larger folks. The inside footbox is sewn with durable 2.4 oz. fabric to protect the bag while stowing gear like boots and water bottles. The Puma's Reverse Differential Hood is roomy, down-filled and warm, and completely made with Gore Infinium. The full down-filled collar and both Interlocking Draft Tubes are also completely made with Gore Infinium fabric. Few continents require anything warmer than the Puma!

Like all of Western Mountaineering's down sleeping bags, the Puma 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.


The GORE-TEX INFINIUM™ WINDSTOPPER® series enhances quality and performance, combining versatile aspects of support and comfort without the need for total waterproof protection. Durable water resistance combined with increased breathability, better packability, and optimized lightweight elements are the defining features of this technology. GORE-TEX INFINIUM™ WINDSTOPPER® is totally windproof and provides highly water-resistant protection for unstoppable performance.


Brand Name:
Western Mountaineering
Royal Blue / Black
Bag Style:
Seasonal Usage:
Four Season
Temp Rating:
-25º F
Temp Rating Celsius:
-32° C
850+ Fill Down
Bag Shell Material:
GORE-TEX INFINIUM™ WINDSTOPPER®: windproof, virtually waterproof, and breathable
Bag Loft:
9 inches
Short: 3 lbs 9 oz / Reg: 3 lbs 12 oz / Long: 3 lbs 15 oz
Fill Weight:
Short: 34 oz / Reg: 37 oz / Long: 40 oz
Bag Length:
Short: 5 ft 6 in / Reg: 6 ft / Long: 6 ft 6 in
Circumference at Chest:
Short: 62 in / Reg: 64 in / Long: 66 in
Circumference at Hips:
Short: 55 in / Reg: 56 in / Long: 57 in
Circumference at Foot:
Short: 39 in / Reg: 39 in / Long: 39 in
Bag Stuff Size:
Short: 9 x 18 in / Reg: 10 x 20 in / Long: 10 x 20 in
Made In:
Other Features:
  • 6 inch baffle spacing and V-Block Side Baffle keep down where it belongs
  • Full Gore Infinium down-filled Super Collar completely surrounds your neck for maximum heat retention
  • Interlocking Gore Infinium Draft Tubes mean zero cold spots along the zipper
  • Footbox made of abrasion-resistant taffeta, a more durable fabric woven with heavier yarns so the inside of your bag is protected when you store gear or boot liners at the foot of your bag
  • Stiffening tape along zipper to prevent snags

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