UltraLite 20°F by Western Mountaineering

Size: 5'6"
Style: Left zip
14.468 Kč


Ships in 1-2 business days | Based in San Jose, CA | Est. 1970

A luxurious 3-season, 20 degree sleeping bag in a traditional mummy bag cut with a full draft collar.

If your summer bike tour is going to take you through different climates then the UltraLite is a good choice. With a 59″ shoulder girth this efficient bag is good to 20°F. The full down collar helps to seal in heat around your neck without adding excess bulk, and 16 oz. of high lofting down pumps this bag to 5″. The total weight of this very compressible package is only 1 lb. 13 oz.


  • Continuous baffles allow down to be shifted from one side of the bag to the other
  • Differential cut to promote proper lofting and protect against down compression
  • Full-length #5 YKK Zipper
  • Full Down Collar
  • 5″+ Loft, 20°F
  • 16oz Down Fill


  • Stuff sack
  • Storage sack



  • Temperature rating: 20°F
  • Loft: 5.5" (total, both sides)
  • Packed size: 7" x 13" 


  • Fits individuals: ≤ 5'6"
  • Inside girth  (Shoulder | Hip | Foot): 59" | 51" | 38"

Weight: 1lb 12oz (total), 15oz (fill weight)


  • Fits individuals: up to 6'
  • Inside girth (Shoulder | Hip | Foot): 59" | 51" | 38"

Weight: 1lb 13oz (total), 16oz (fill weight)


  • Fits individuals: up to 6'6"
  • Inside girth (Shoulder | Hip | Foot): 60" | 52" | 38"

Weight: 1lb 15oz (total), 17oz (fill weight)


  • Outer Fabric: 12D Nylon ExtremeLite™
  • Inner Fabric: 15D Ripstop Nylon
  • Insulation: 850+ Fill Power Goose Down*
  • Hardware: #5 YKK Zipper

Made in the USA


*Western Mountaineering has been using ethical down for decades. They personally audit their main supplier regularly and some of the inspections are made without advance scheduling. This farm is highly ethical; the geese are raised to old age for their eggs, get to roam the grounds during the day and nest in a specialized insulated barn. During nesting, the mature mother geese molt their down in order to insulate their nest. This down is then collected while the geese are out feeding during the day.

Because Western Mountaineering's down comes from large mature mother geese it is unparalleled in fill power AND the most ethical it could be!

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