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Grand Mothership Tent - 12 Person, 4 Season Zoom

Grand Mothership Tent - 12 Person, 4 Season



Sierra Designs

Sierra Designs Grand Mothership Tent - 12 Person, 4 Season

Item #: sid0345

Availability: Out of stock

Regular Price: $4,495.00

Sale Price $2,247.50



Regular Price: $4,495.00

Sale Price $2,247.50


180 Day Return Policy.


Order before 12 p.m. MST Mon. - Fri. & we'll ship same day.


12 Person / 4-Season Big, stable, and strong - the Grand Mothership is a monster of a space for an expedition base camp. You could sleep 12, but this really is a shelter for eating and planning.
  • PVC-free seam tape
  • Continuous pole sleeves
  • Reflective door trim and/or guy outs
  • Hanging pockets
  • D doors
  • Windows
  • Vents
  • Clip Locs
  • Grommet pole attachment
  • Locking pole tips
  • Specs

    Brand Sierra Designs
    UPC, EAN, ISBN 054003570893
    Weight 32 lb 14 oz / 14.91 kg
    Sleep Capacity 7+ Person
    Floor Space 140 sq ft / 13.01 sq m
    Vestibule Space Not Applicable
    Max Inside Width 15 ft / 4.57 m
    Max Inside Length 16 ft / 4.87 m
    Head Height 85 in / 216 cm
    Packed Size 20 x 30 in / 51 x 76 cm
    Poles 12 DAC DA-17 Green Anodizing
    Best Use Mountaineering
    Body Material 70D Nylon, 1500mm Waterproof Coating
    Floor Material Not Applicable
    Rainfly Material 70D Nylon, 1500mm
    Freestanding Yes
    Seam Taped Yes
    Seasons 3 Season


    Reviews For The Sierra Designs Grand Mothership Tent - 12 Person, 4 Season

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    Q & A For The Sierra Designs Grand Mothership Tent - 12 Person, 4 Season

    Warranty & Returns

    Money Back Guarantee

    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. 

    Extended Return Policy

    On top of our fantastic policies described above, CampSaver has a very liberal New/Unopened Return Policy. New, unused, and unopened products (excludes items from The Shed) may be returned to us at anytime, no questions asked. Any new/unopened item returned after 60 days will be issued store credit. We do not accept returns on used/opened products after 60 days.

    Fit Guarantee

    All New Men's and Women's apparel and footwear (excludes items in the Shed) 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. 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. 


    All of the products we carry have a warranty which covers product defects. If you have any questions about the warranty on a given product, give us a call at 1-877-883-6276.

    Return Policy Information

    Sizing Chart

    Sierra Designs sizing chart

    About Sierra Designs

    Sierra Designs
    With its headquarters in Boulder, CO, innovative products have helped Sierra Designs to become one of the most renowned outdoor brands in the outdoor industry. With over 40 years of experience and an intense passion for the outdoors Sierra Designs has been able to create some of the best performance products. Not only are their products reliable enough to help thrill seekers like Eric Larsen summit Mount Everest and journey to both the North and South poles, but they promote a harmonious relationship with the environment as well.
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