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0.74 oz MTN 7D Ripstop Nylon

$15.95 /yd

0.74 oz MTN 7D Ripstop Nylon

$15.95 /yd

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  • The Mountain Series is a hand selected collection of the highest performance fabrics/materials on earth - each one optimized for applications ranging from tarp/shelters, to quilts, hammocks, packs, and other high-end outdoor gear.

    At 0.74 oz, MTN7 is the lightest fabric in our MTN series line and one of the only 7 Denier fabrics on the market today.

    In exchange for a modest weight increase compared to other ultralight fabrics (e.g. Membrane 10), this fabric uses a specially formulated, microporous PU coating to achieve highwater/wind resistance while also maintaining good breathability(see specs tab). It's also calendered and fully downproof for use with natural goose and duck down insulation.

    Durability is always a question with ultralight fabrics. That's why we've woven MTN7 from a proprietary, high-end nylon 6 yarn to maximize abrasion resistance and durability over time.

    Of all the ultralight fabrics we carry, you will instantly find MTN7 to be one of the most durable for it's weight.

    Typical uses include quilt shells, jackets, blankets, rain mittens, beanies, or any application requiring a durable ultralight fabric with an excellent combination of wind/water resistance and moderate breathability.

    *NOTE - Because of reduced air permeability, we do not recommend using MTN7 for both the inner AND outer layers of any fully enclosed application (e.g. quilts). For best results, use together with a fully breathable layer of fabric (e.g. MEMBRANE 10).

  • Product Details
    Colors Black, Charcoal Gray , Dark Olive , Vader Blue
    Width 60'' (including selvedge)
    Weight  0.74 oz/yd 2
    Denier 7D
    Yarn Nylon 6
    Ripstop Grid 0.9 x 0.9 mm mini double-grid (square)
    Finish/coating Microporous PU backside, DWR both sides - Moderately breathable and water resistant
    Breathability (MVTR) > 7000 g/m 2/24 hrs
    Hydrostatic Head (waterproof rating) > 1000 mm

Customer Reviews

Based on 7 reviews
John Studt
Perfect performance

Everything arrived exactly as expected and on time.

Hi John, That's what we love to hear. Thanks for the review!

Stephen Voss
Great service!

Products arrive on time and as ordered. I am new to the world of fabrics so I am no expert but as far as I can tell they are great!

Hi Stephen, We're glad you like the MTN 7D. Enjoy it! Thanks for the review!

Michael Arambula

3.5* Rating - Excellent Feel, unsure about utility
Long history with fabric and in a nutshell I am unsure vs. impressed vs. unimpressed by this fabric. I am giving it 4 stars because it feels like a gorgeous ultralight SilNylon, and I trust in it's advertised water repellency and that it is more breathable than other silnylon fabrics. I believe the advertising mostly due to this retailers sourced high quality DWR and UltraLow-Denier fabri). I have worked with almost every fabric available from cottage retailers and the following is a list of deductions in my opinion.

-0.5* (now 4.5 star) due to obvious tactile silnylon feeling and general impression and thus will be only marginally better or worse than silnylon for "waterproof" and same with breathability.
-0.5* (now 4.0 star) due to lack of trade off value for weight for stretch (when wet) factor according to online reviews, therefore will not make a tarp to my preferred liking and limits this fabric and it's MYOG use. Also for the lack of instruction for use with this fabric and requiring use of google searches for field use instruction or review. This is exceptional fabric but does not appear waterproof and breathable by on trail standards even though brand new fabric may test well in the lab.

Personally I experiment with UnderCovers for hammocks which suspend added closed cell pads or synthetic insulation via shock cord and this fabric is 5* PERFECT for that (at least the sides). This fabric seems fair for waterproof utility based on reviews and excellent for wind resistance which would make it a good outer layer for undercover or UnderQuilt but it's use in quilts is narrow and limited vs the vapor resistance. This is such a lightweight fabric. There are limitations as with all fabrics but this seems like the flagship in ultralight silnylon (with all the nylon weaknesses which I am generally OK with minus stretch properties). Thank you for this fabric, I am excited to use it in the field and will be ...

Philip Smith
Fantastic Product

The fabric itself is exceptional. It is a fantastic Ultralight hammock now, my only complaint isn't even a complaint: just wish there were some resources for sewing tips on each fabric because this was so light I had to find a way to keep it from being stuffed down into my machine!

Heather Priest

This company has the best fabrics. I can't find this stuff anywhere else and they have great prices too. I would like it if they have more swatch books though!

Hi Heather. Thank you for taking the time to post a review. Let us know if you need anything!

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