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Item #: wtm0007

Western Mountaineering

UltraLite 20 Sleeping Bag

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Price From: $469.95-499.95

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Product Information

Product Information For The Western Mountaineering UltraLite 20 Sleeping Bag


Brand Western Mountaineering
Weight 1 lb 13 oz / 0.82 kg (Regular)
Best Use Backpacking
Max User Height 5 ft 6 in (Women's Regular), 6 ft 0 in (Regular), 6 ft 6 in (Long)
Shoulder Girth 59 in
Hip Girth 51 in
Foot Girth 38 in
Fill Weight 16 oz / 453 g
Insulation 850 Fill Goose Down
Insulation Type 800+ Down Insulation
Material Nylon
Temperature Range 11° to 20°
Temperature Rating 20°


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


  • Full-length #5 YKK Zipper
  • Full Down Collar
  • 5 1/4 inch Spacing/Continuous Baffles
  • 5 inch Loft
  • Short Regular Long
    Shape Mummy
    (w/ full collar)
    (w/ full collar)
    (w/ full collar)
    5'6" (165 cm) 6'0" (180 cm) 6'6" (200 cm)
    Temp. Rating 20° F (-7° C) 20° F (-7° C) 20° F (-7° C)
    Loft 5" (12.5 cm) 5" (12.5 cm) 5" (12.5 cm)
    Inside Girth
    (150/130/97 cm)
    (150/130/97 cm)
    (152/132/97 cm)
    Fill Wt. 15 oz (425 g) 16 oz (450 g)
    17 oz (480 g)
    Total Wt. 1 lb 12 oz
    (790 g)
    1 lb 13 oz
    (820 g)
    1 lb 15 oz
    (870 g)
    Stuff Size 7 x 13 in
    (18 x 33 cm)
    7 x 13 in
    (18 x 33 cm)
    7 x 13 in
    (18 x 33 cm)

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Shipping Information

U.S. Shipping Options

Your shipping choices to the lower 48 states are as follows:


UPS Ground: Allow 2-8 business days for delivery. No Saturday delivery. Free on orders over $50!
UPS 3 Day Select: Guaranteed in 3 business days. No Saturday delivery.
UPS 2nd Day: Guaranteed in 2 business days. No Saturday delivery.
UPS Next Day: Guaranteed by end of next business day. Orders must be placed by 12:00 p.m, MST. No Saturday delivery. For AM delivery, please call us at 1-877-883-6276.

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United States Postal Service

Priority Mail: Allow 2-4 business days for delivery to most domestic locations.

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International Shipping Policies

Yes, we ship international packages everyday. Your order total must be over $50 for us to ship international.

We also offer Free USPS Priority Mail to select countries when your order total reaches a minimum amount. more information

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Warranty, Fit Guarantee & Returns

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If you are not 100% satisfied with what you have purchased from CampSaver within 60 days of purchase, you can take advantage of our 60 Day No-Hassle Money Back Guarantee. What does that mean to you? We'll exchange your product for free or give you a full refund. You'll never be left regretting your purchase with CampSaver. We've got you covered. Request a return here.

Fit Guarantee

All of our Men's and Women's apparel and footwear comes with what we like to call a Fit Guarantee. If the apparel/footwear you purchased does not fit comfortably and you'd like to exchange it for another size, we will cover not only the cost of the return shipping, but also shipping the replacement size (if in-stock) to you. The Fit Guarantee only applies to shipping within the continental United States. At CampSaver you can buy with confidence that you will like what you buy, risk-free. Please allow 2 weeks for replacement item shipping. If you have any questions about our Fit Guarantee, give us a call at 1-877-883-6276.

Extended Return Policy

On top of our other fantastic policies described above, CampSaver has a very liberal 180 Day New/Unopened Return Policy. New, unused, or unopened products may be returned to us for up to 180 days, no questions asked. If you wish to return a new, unused, or unopened item after the 180 day return policy has expired, request a return or give us a call at 1-877-883-6276. CampSaver will accept those items at it's own discretion. If an item that is used is returned to us after the 180 day limit we will assess a 50% restocking fee.


All of the products we carry have a warranty which covers product defects for, at the very least, 60-days, many for up to a year. If you have any questions about the warranty on a given product, give us a call at 1-877-883-6276.

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Customer Service

Customer Service

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  • 1-877-883-6276 Mon-Fri, 9 am – 6 pm pm MST

    1-435-752-5524 Mon-Fri, 9 am – 6 pm pm MST

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    Unit A
    Nibley, UT 84321

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    Logan, UT 84321

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