Western Mountaineering - UltraLite
Like all of Western Mountaineering's bags, the UltraLite 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.
Winner of the Climbing Magazine Editor's Choice award!
International Restrictions Apply
Technical specifications & features
|Weight||Short: 1 lbs 12 oz / Reg: 1 lbs 13 oz / Long: 1 lbs 15 oz|
|Gender||Men's & Unisex|
|Temp Rating º F||20º F|
|Temp Rating º C||-7° C|
|Seasonal Usage||Three Season|
|Insulation||850+ Fill Down|
|Fill Weight||Short: 15 oz / Reg: 16 oz / Long: 17 oz|
|Bag Shell Material||ExtremeLite™ proprietary fabric: extremely high thread count and ultra-lightweight|
|Bag Length||Short: 5 ft 6 in / Reg: 6 ft / Long: 6 ft 6 in|
|Bag Stuff Size||7 x 13 in|
|Bag Loft||5 inches|
|Circumference at Chest||Short: 59 in / Reg: 59 in / Long: 60 in|
|Circumference at Hips||Short: 51 in / Reg: 51 in / Long: 52 in|
|Circumference at Foot||Short: 38 in / Reg: 38 in / Long: 38 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
Full down collar completely surrounds your neck for maximum heat retention
Full-length down-filled draft tube to seal in heat along the zipper
YKK #5 double pull zipper
Stiffening tape along zipper to prevent snags.
Please note, special care should be taken to avoid abrading the shell fabric; it is designed to be ultralight and super-compressible. Treat it right and your UltraLite will provide years of use!
- great sleeping bag down to freezing temperatures.
- depends what you wear inside the sleeping bag, but I feel comfortable without wearing much down to 0°C. I think there is room for much deeper temperatures (probably -10°C) with cloth-on.
- Very satisfied
- Well designed for comfort, warm, very light and compact when packed - what more could you ask for.
Questions & Answers
I recommend trying one of these bags in your local shop. If someone nearby stocks Western Mountaineering, then you should take the time to climb into both sizes and see which you prefer.
Most 6' folks opt for the Long. Thanks Jordan!
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