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Western Mountaineering Alpinlite


Western Mountaineering Alpinlite is wide, warm, and packed with features. With a 3-dimensional full down collar, a full-length YKK zipper, and 5″ of loft, the Alpinlite has quickly become one of Western Mountaineering’s most popular models.

The award winning Ultralite has been a favorite among lightweight backpackers for more than a decade. The Alpinlite is just a wide version of that great bag. There are many 20° down mummy bags on the market, but none have the width, warmth, or loft of this bag.

Alpinlite is incredibly light and compressible down sleeping bag.

  • Full Down Collar
  • 5 1/4″ Spacing/Continuous Baffles
  • Full-length #5 YKK Zipper


Buy Western Mountaineering Alpinlite From

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  • Sierra Trading Post logo

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Weight1 lbs 15 oz 880 g
Temperature Rating20°F -7°C
Fill850-fill down
Fill Weight1 lbs 3 oz 540 g
Stuffsack Size15″ × 8″38 cm × 20 cm

Specifications for the regular size bag. Read our guide on How to Choose a Sleeping Bag →

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